Must Watch Videos

Every year the debates rage on: Why did that movie or actor win an Oscar? But there is a method to the awards show madness.

Find out what films were nominated as the worst of the worst for this years Golden Raspberry Awards. CNN's Lisa France breaks down The Razzies.

CNN's Tim Lister looks at where the battle for ISIS is raging and why those regions are strategically important.

Scientists from the Global Challenges Foundation and the Future of Humanity Institute have created a list of the most likely ways the world will end. CNN's Richard Roth explains why he'll be hiding in his office until then.

CNN's Nima Elbagir explores the controversy surrounding unretouched photos of the famous pop singer.

See what life in outer space could look like at The Mars Society's Mars Desert Research Station.

NASA's Solar Dynamics Observatory has captured detailed images of the sun -- at a rate of about one a second -- for five years.

CNN's Nic Robertson reports on the 11 people who are included on a "wanted" list published by al Qaeda in the spring of 2013.

CNN's Thom Patterson explains how engineers plan on getting Bertha, the world's largest tunnel machine, digging again in Seattle.