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Oldest cosmic dust ever found contains hints of oxygen in early Earth's atmosphere
Thursday, 12 May 2016
Space dust The oldest fossils of cosmic dust ever discovered provide a glimpse into atmospheric conditions above the Earth more than 2.7 billion years ago and could do the same on other planets.
Bubbles in Pilbara rock indicate Earth had much thinner atmosphere 2.7 bn years ago
Tuesday, 10 May 2016
Thin air Air bubbles trapped in 2.7 billion-year-old lava flows in the Pilbara suggest the Earth's atmosphere weighed less than half that of today and was far thinner than previously thought.
'Snowball Earth' may have been triggered by explosive underwater volcanoes
Tuesday, 19 January 2016
Big freeze hypothesis Extensive underwater volcanism caused by the breakup of an ancient supercontinent may have pushed the Earth into a period of extreme freezing 750 million years ago.
Karakorum glaciers: 25 years in one second
Friday, 27 November 2015
Pulse of the mountains New animations speeds up the ebb and flow of glaciers in Asia's Karakorum mountain range some 800 million times, revealing changes on a much larger scale than ever captured before.
'The end of the oil age is coming'
Friday, 20 November 2015
Video from the vault As the human population climbs beyond 7 billion and the desire for first world affluence spreads across the globe, the demand for oil has never been higher.
Where did Earth's water come from?
Wednesday, 18 November 2015
StarStuff Podcast New findings explain the origins of Earth's water. Also: possible ice volcanoes discovered on Pluto, and the oldest stars ever seen.
New map of Earth's groundwater to help estimate when it may run out
Tuesday, 17 November 2015
Water map Less than 6 per cent of ground water in the upper two kilometres of the Earth's landmass is renewable within a human lifetime, according to a new map showing the world's hidden groundwater.
How we explained the Greenhouse effect in 1988
Friday, 6 November 2015
Video from the Vault: If you are feeling a sense of dvu about the forthcoming climate conference in Paris, it's because this is the 21st attempt to reach agreement on how to stabilise the atmosphere and prevent dangerous climate change
Australia's rock stars revealed
Wednesday, 14 October 2015
Top GeoShot 2015 The dramatic beauty of Australia's iron ore country is the star of the 2015 Top GeoShot photographic competition.
Fast moving glaciers may cause more erosion as world warms
Friday, 9 October 2015
Glacial erosion Faster-moving glaciers carve away more of the landscape than their slower-moving counterparts, according to a study of a New Zealand glacier.
Asteroid may have boosted volcanic eruptions prior to dinosaur extinction
Friday, 2 October 2015
Double-whammy disaster The asteroid impact that triggered the mass extinction event that killed off the dinosaurs accelerated one of the planet's largest volcanic eruptions, further compounding the disaster, a new study suggests.
Sunset and thunderstorms captured from the ISS
Friday, 25 September 2015
Earth image The delicate beauty of our home planet is captured at the point where day turns to night.
World's longest continental volcanic chain discovered in Australia
Tuesday, 15 September 2015
Volcanic track The world's longest chain of continental volcanoes has been discovered stretching for over 2000 kilometres along eastern Australia.
The subdued roar of the Boxing Day earthquake
Thursday, 3 September 2015
That subdued roar is the sound of the massive earthquake that caused the Boxing Day tsunami in 2004.
Red sprites at night, astronaut's delight
Friday, 28 August 2015
Mysterious red flashes seen high above the Earth are a little understood phenomenon known as sprites.
