water vapor

Water vapor found swirling in the atmosphere of a small exoplanet

Science
Dr. Sarah Adams

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

How the runaway greenhouse gas effect can destroy a planet’s habitability — including Earth’s

Science
Dr. Sarah Adams

Using advanced computer simulations, scientists have shown how easily a runaway greenhouse effect can rapidly transform a habitable planet into a hellish ...

Humans Are Ready to Find Alien Life

Science
Dr. Sarah Adams

In the thousands of years that people have been arguing about whether life exists elsewhere in the universe, one thing has been ...