For more than 25 years, humans have lived and worked continuously aboard the International Space Station, conducting research that is transforming life on Earth and shaping the future of exploration.

AFTER THE second world war, Leo Szilard, a pioneering nuclear physicist who had worked on the Manhattan Project, decided to move into biology instead: life; not death. But there was a problem. As a ...

Billions of years ago, Earth’s atmosphere was hostile, with barely any oxygen and toxic conditions for life. Researchers from the Earth-Life Science Institute studied Japan’s iron-rich hot springs, ...

We have only one example of biology forming in the universe—life on Earth. But what if life can form in other ways? How do you look for alien life when you don’t know what alien life might look like?

Breakthroughs, discoveries, and DIY tips sent six days a week. Terms of Service and Privacy Policy. The scientific community is largely divided into two camps ...

Earth was not always the blue-green world we know today: the early Earth's oxygen levels were about a million times lower than we now experience. There were no forests and no animals. For ancient ...

Polyester microdroplets, possible precursors to life, were formed from alpha-hydroxy acids (αHAs) in early Earth-like conditions even at low reaction volume, low reactant concentrations, and/or high ...

For over half a billion years, Earth’s magnetic field has risen and fallen in sync with oxygen levels in the atmosphere, and scientists are finally uncovering why. A NASA-led study reveals a striking ...

Chris Impey receives funding from the National Science Foundation and the Howard Hughes Medical Institute. We have only one example of biology forming in the universe – life on Earth. But what if life ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. In the 1931 movie ...

Alien life might look unlike anything we've ever seen on Earth. Trying to find evidence of these unknown organisms will require some creativity. When you purchase through links on our site, we may ...