bodies of water
How long would it take to walk around Mars?
Science
Dr. Sarah Adams
Humans have long had a fascination with Mars, and NASA has ambitious plans to send astronauts there within the next few decades. ...
Climate change is throwing the water cycle into chaos across the U.S.
U.S.
Amanda Smith
The water cycle that shuttles Earth’s most vital resource around in an unending, life-giving loop is in trouble. Climate change has disrupted ...
A shallow lake in Canada could point to the origin of life on Earth
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. Imagine an entirely ...
Climate change is fueling the disappearance of the Aral Sea. It’s taking residents’ livelihoods, too
Science
Dr. Sarah Adams
MUYNAK, Uzbekistan (AP) — Toxic dust storms, anti-government protests, the fall of the Soviet Union — for generations, none of it has ...