The radical claim was made by 58-year-old Canadian Andre Gignac who says he saw the 'bunker' in a photograph released by Nasa and taken by the Mars rover Opportunity.

The radical claim was made by 58-year-old Canadian Andre Gignac who says he saw the 'bunker' in a photograph released by Nasa and taken by the Mars rover Opportunity.

Nasa scientists in California have released an image of distant giant cluster of 3,000 stars called Westerlund 2 (shown). Massive stars are seen feeding regions of dust and gas in the image.

The Martin Burgess Clock B is based on John Harrison's (left) 18th century design. Its trial was at the Royal Observatory to see if the claim - that it would neither lose nor gain a second - was true.

The incredible-looking robotic head, known as Ham, has been drawing in crowds with his incredible range of facial expressions at the Global Sources electronics show in Hong Kong this week.

Washington DC-based Nasa has revealed 25 of the the 25 greatest Hubble Space Telescope images, to celebrate its 25th anniversary in space. Shown are the Pillars of Creation, by Hubble.

British scientists have come up with a set of robotic arms so sophisticated that they are capable of cooking meals from scratch, set to be out on the market from as early as 2017.

French free diver Guillame Néry jumped into Dean's Blue Hole in the Bahamas. He is seen at the edge of the 660ft (200 metres) hole (pictured) before taking the plunge.

Varvara swam from the east coast of Russia to breeding grounds off the coast of Mexico, and back, without stopping to eat, experts claim. Stock image of gray whale is pictured

The images were revealed by Houston-based Nasa as part of the first colour map of Ceres, showing variations in surface materials, and revealing the diverse processes that helped shape it.

Swiss pilot Bertrand Piccard has successfully flown Solar Impulse 2 from Chongqing to Nanjing in China (shown getting out of plane). The journey of 740 miles (1,190km) took more than 15 hours.

A Washington-based company unveils matches that burn in testing conditions. The £5.47 UCO Stormproof Matches use a coating that always smoulders.

A business called Edward's Snow Den has appeared in the US President's headquarters thanks to the clever work of internet pranksters.

Imperial College London claims the Roman general's symptoms, which included vertigo, dizziness and weakness in his limbs, were the result of mini-strokes rather than epilepsy.

Swiss pilots Bertrand Piccard and André Borschberg are having to wait to continue their groundbreaking flight. The plane (pictured) has been grounded in Chongqing for two and a half weeks.

Archaeologists at George Washington University discovered 20 stone flakes and anvils locked in sediment on the west shore of Lake Turkana in Kenya.

Researchers from Iowa said that as our faces became smaller in our evolution from hunter gatherers to more cooperative groups, the chin became a 'bony prominence'.

Nasa scientists in Maryland are preparing for the arrival of New Horizons at Pluto on 14 July - humanity's first-ever visit to the dwarf planet. This latest image (shown) reveals Pluto and Charon.

Brussels will say that Google has used its massive dominance as a search engine to divert internet users from rivals to its own services, which include YouTube and the Google+ social network.

The deposit containing the bone (pictured) was discovered during excavations ahead of a new pipeline in Landford, Essex and is thought to date to 5,600 BC.

The offending microwave, which released bursts of 'perytons', was found to be next door in the staff kitchen and visitors centre at the Parkes Observatory in Australia.

A mindfulness course could be offered as an alternative to drugs, psychologists from Oxford University and Plymouth University Peninsula Schools of Medicine and Dentistry said.

The video from Washington-based American Chemical Society shows how why gin dilutes anthocyanins in red wine stains and how an enzyme in spit removes food stains.

Scientists at Utrecht University found that the odours produced by our bodies can communicate our joy to others - a phenomenon known as chemosignalling.

The photographs of reef sharks swimming though a shoal of fish were captured in the shallow waters of Heron Island in Queensland, Australia.

The Colorado-based company said the Vulcan will use new engines, mid-air recovery and a new upper stage aimed at enabling complex on-orbit manoeuvres.

This image of a cat on a flight of stairs has provoked a furious debate online between users who cannot agree whether the animal is climbing or descending the staircase.

Ethan Czahor, the former Governor of Florida aide, has launched 'Clear' (pictured) which removes any posts that might cause you problems with your current or future employer.

Apple bought Israel-based LinX in a deal said to be worth $20 million (£13.5 million). An example of how similar technology works is pictured. This shot was taken using Intel's RealSense 3D camera.

In World War Two, a top-secret weapons lap called 'Churchill's Toyshop' operated initially out of London to develop weapons to beat the Nazis, including an aircraft made of ice (shown).

Los Angeles dating site Tinder has added the ability to let people add their latest Instagram snaps to their profile.

New York based app developer Michael Smagon claims the I'm Up Alarm will help those who struggle to get out of the bed in the morning by sounding an alarm until they scan a QR code.

The baboon bone was found when Gary Sawyer and Mike Smith at the American Museum of Natural History in New York began work on a reconstruction of Lucy's skeleton.

The robot, (pictured) engineered by a company in Coventry, uses vision technology called iRVision to keep an eye on humans and automatically stops if it touches a flesh-and-blood operator.

Patients at Wolfson Children's Hospital are able to remotely play with animals at the nearby Jacksonville Humane Society shelter using the touchscreen TV in their room.

The app (pictured) is free for iOS and Android. Photos and videos taken on the app disappear into a hidden album after three seconds and only appear at midday the next day.

The update from the Cupertino firm, which has been in beta for several months, brings over 300 new emojis (including diversity options) as well as a new keyboard for inputting them more easily.

The world's largest atom-smashing machine is most famous for proving the existence of the Higgs boson - but scientists hope it will now unlock even more fundamental secrets of the universe.

A map has been created using a UFO sighting dataset from the National UFO Reporting Centre and open source software from CartoDB that shows UFO sightings around the world.

Japanese officials have attempted to dismiss rumours of an impending earthquake as 'unscientific' and experts believe the whales may have suffered an infection or were avoiding a predator.

The first four videos have been released on the Californian firm's site including an introduction to the main features, plus how to use the Messages app, customise the face,and use digital touch.

Biologists at the Hebrew University of Jerusalem in Israel used high speed videos of octopuses (pictured) crawling over objects to study how the animals move.

Biologists at Jyväskylä University in Finland claim to have settled the debate about whether eye spots on the wings of butterflies are a form of Batesian mimicry or simply patterns that confuse predators.

A San Diego cat expert claims to have cracked the code of how cats communicate and says he can tell owners what each purr and tail wag means.

Munich-based BMW Group's answer to Google Glass is designed to let drivers of its Mini model see pop-up virtual displays for showing maps and other features

Researchers from the Ocean Exploration Trust were stunned when their robosub had an unexpected encounter with a sperm whale off the coast of Louisiana.

The experiments will be launched by Houston-based Nasa in 2018 during a test flight of the Orion spacecraft using the largest, most powerful rocket booster ever built; the Space Launch System.

Arizona has plans to create artificial rain clouds by flying planes over the Rockies, and seeding the sky with silver iodide. But some scientists are concerned about silver building up in river basins.

The maps, compiled by cartographer Trent Hare at the US Geological Survey, include image mosaics and topographical views of lunar features such as the 'Ocean of Storms' and Mare Orientale.

Bonhams is auctioning rare documents from the Hiroshima atomic bombing in New York (diagram shown). They were compiled by Captain Robert Lewis, co-pilot of the Enola Gay.

Rime ice forms the mountain in New Hampshire when water droplets freeze instantly on contact with the rock. The peak has experienced some of the highest wind speeds ever recorded.

Research has said that a 'Neanderthal flute' found in Slovenia (shown) - believed to be the world's oldest musical instrument - is simply a bone chewed in a cave by a hyena 30,000 years ago.

Taiwan-based UFO researcher Scott Waring, claims he spotted the UFO in an image taken by unmanned space probe Mercury-Redstone 1A on December 19, 1960.

After a 62-mile (100km) trek through the Thai jungle, Me-Bai, the small elephant can be seen nuzzling her mother, Mae Yui, (both pictured) and joyfully flapping her ears.

This classic optical illusion, created by the Massachusetts Institute of Technology, reveals how our brains pick out different types of detail depending on how far away an image appears.

Dr Dejan Stojkovic from the University of Buffalo claims that interactions between particles emitted by a black hole could reveal information about what lies within.

Dmitry Kaminskiy, a senior partner of Hong Kong-based firm, Deep Knowledge Ventures, is hoping his million dollar gift will trigger a new group of 'supercenternarians'.

The 36,000-year-old artwork in the world's oldest cave decorated by man, has been recreated for a new attraction in Vallon-Pont-D'arc in Southern France.

San Francisco-based atheist author David Fitzgerald says that there is no evidence that Jesus existed and was probably a literary allegory created from rival cults and Jewish stories.

A paper by the Massachusetts Institute of Technology argues single words bear traces of syntax showing that they must be descended from an older, syntax-laden system.

The footage (pictured) was shot by a wildlife cruise company, off the coast of Pembrokeshire. On four occasions, grey seals have been spied feasting on harbour porpoises.

Common dolphins were once a rare sight in the Hebrides, preferring warmer waters found further south, but now numbers have doubled in the region.

The device, created in British Columbia, recognises the electronic signature of different devices, such as kettles, allowing users to keep an eye on their energy consumption via an app.

Researchers from the Centre National de la Recherche Scientifique in France measured seismic activity, including earthquakes, storms and the ocean waves (stock image) in 2008.

Researchers based at different institutions in Tokyo placed rats in a special cage with pictures of rats in pain (shown) and with neutral expressions on the walls, to see how they reacted.

Italian astronaut Samantha Cristoforetti wore the uniform on Friday (shown). Together with Nasa astronaut Terry Virts she captured the SpaceX Dragon spacecraft, which was full of supplies.

Washington, DC company United Space Structures says their giant rotating space station (shown) could replace the ISS. It would be 1,300ft long, cost $300 billion and take 30 years to build.

Scientists from the UK and Portugal have calculated the differences between species of 'diplodocid' and found crucial anatomical variations between Apatosaurus and Brontosaurus.

A cosmologist at the University of Barcelona Institute of Cosmos Science believes aliens (stock image) may be larger than humans and could live on a planet with lower population densities.

General Motors unveiled their concept car at an event in Shanghai. The self-driving Chevrolet-FNR (shown) has 'dragonfly' swing doors and 'crystal laser headlights'.

Known as Fast Radio Bursts (FRBs), just 10 have been discovered - and German researchers say they all contain a strange patttern.

Scientists in Colorado have found evidence for a new solar season cycle. Every two years it appears 'bands' of magnetic field move to the surface, causing some coronal mass ejections (pictured).

Martin Bellander, a PhD student in psychology at the Karolinska Institute created the graph by writing software to analyse images of free artwork he found online.

The stone containing the 'screw' (pictured) was found in the Kaluga region in Russia and is said to be 300 millions years old by the team of UFO and paranormal researchers who found it.

China is creating a 'great wall of sand' in the South China Sea (one island pictured), the US Navy has claimed. The latest huge land mass is 1.5 square miles (four square kilometres) in size.

The video, taken by a plane off Florida's northeastern coast, near Jacksonville, shows the Falcon 9 booster lowering itself onto the platform, before a gust of wind sways it to one side.

The unique experiment by security firm Bitglass tracked stolen data from California as it travelled the globe, and found that it landed in five different continents and 22 countries within just two weeks.

The study, led by Southampton University, claims a catastrophic condition called 'marine photic zone euxinia' is being created by the release of CO2 from fossil fuels.

A bloodstained document (shown) revealing a life-or-death episode that could have derailed the whole US space programme of the 1960s is tipped to sell for £80,000 ($120,000) at an auction in New York.

German scientists using Esa's Rosetta spacecraft captured stunning images of a dust jet erupting (shown) from comet 67P Churyumov-Gerasimenko, possibly caused by underground ice melting.

Scientists have revealed a sophisticated new dating
technique shows that Little Foot, an important fossil of an early human forerunner unearthed in the 1990s in South Africa, is roughly 3.7 million years old.

A paper from the University of Florida is the latest attempt to explain exactly why humans - unlike all other primates - have chins.

The light in these extraordinary images has travelled so far that it has taken 4,200 years to get here. Scientists said the photographs reveal the immense forces unleashed when a star is born.

The stunning mosaic, pieced together by the German Aerospace Center in Köln, could help scientists better understand how water and lava once flowed across Mars.

KukuKube was created by Canada-based Network365. The free app is available on Facebook, Android, iOS and on desktop browsers and a score of 31 or above is a sign of great eyesight.

A California-based hacker, who is named only as Patrick, created a program which worked by luring in two men who 'like' one of his fake profiles and matching them to each other instead.

The One-touch-911 app (pictured) was developed by researchers at Boston-based MIT and lets users call the police, fire service, report a car crash or seek medical help using buttons on the phone's screen.

A US eBay seller is looking for $2,499.99 (£1,707.47) for a vintage Quartz watch distributed by Apple (pictured) in 1997 to promote its Mac operating system.

Male mice sing like birds to serenade prospective mates, Duke researchers have found - however, their musical sounds are too high pitched for humans to hear.

In the 19th century, it was believed that these foul odors carried diseases, so the New York City Metropolitan Board of Health created the map to highlight the areas affected.

Data from two European space telescope missions - Planck and Herschel - has identified some of the oldest and rarest clusters of galaxies in the distant cosmos (shown as black dots in image).

Hawaii scientists say a supervoid (illustrated) may account for a cosmic anomaly. The object is thought to be causing a 'less-dense' region of the universe known as the Cold Spot.

The map, created by researchers at Yale University, highlights the diversity in grammar used across the U.S. with phrases such as 'here's you a piece of pizza' to 'this glass needs washed'.

SpaceX had hoped to land the booster in one piece on a drone boat a few hundred miles off Florida's northeastern coast. Its main mission to deliver supplies to the ISS was completed today.

A computer bot designed buy a random item once a week from hidden market places on the internet was seized by Swiss police after buying drugs. It was later released 'without charge'.

French biologists have found that chimpanzees at Kibale National Park in Uganda have learned to look both ways before crossing a busy stretch of concreted road.

An Israeli geologist has conducted a battery of chemical tests to link the James Ossuary (pictured) with the long disputed 'Jesus Family tomb' in Jerusalem's East Talpiot neighbourhood.