A discovery by scientists at Scripps Research and the Georgia Institute of Technology could shed light on the evolution of ...

A Harvard professor questions whether research conducted at the University of Cambridge about life on K2-18b is accurate.

Researchers believe that life on Earth will end when the atmosphere's oxygen levels decline, which say will happen in about a ...

All that said, the findings can’t confirm the terrestrial life theory beyond a doubt. There’s still a chance hydrogen-heavy meteorites helped us along. Still, the new evidence makes a strong case that ...

Researchers say they discovered evidence that early Earth was home to more hydrogen than previously thought, calling into ...

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

The findings, which support the theory that the formation ... develop the conditions to support life. The origin of hydrogen, and, by extension, water, on Earth has been highly debated, with ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. The story of two of ...

Water is essential to life as we know it, but scientists are still unsure about how it originated on Earth. One theory is that asteroids ... s Department of Earth Sciences said in a university ...

AFP/Getty Images Carbonate minerals typically form when carbon dioxide reacts with water and rock — which makes them a cosmic calling card for life-friendly ... not unlike Earth’s, with ...