"Shorelines are great locations to look for evidence of past life." Today, Mars is a chilly desert of rock and dust — but 4 billion years ago, the planet had rivers, lakes and even oceans with sandy ...

When astronomers pointed the James Webb Space Telescope (JWST) at a young red star in the constellation Columba, they noticed ...

Right now, the dramatic warming of the planet that marks the human-fueled climate crisis is happening at breakneck speed compared with these ancient processes that took millions of years. Glacier ...

For decades, scientists have debated the mystery ofMars’ lost water. Now, a new discovery has provided some of the strongest evidence yet that the Red Planet once had vast oceans. Using ...

An arrowhead-shaped rock on Mars sporting features that may hint at ancient microbial activity on the Red Planet has left ...

Mars may once have held enough water to fill oceans and form coastlines. The planet’s red dust contains water and likely formed in cold conditions.

As the planet cooled, some of the water likely moved ... so this is painting a picture of ancient habitable environments, capable of harboring conditions friendly toward microbial life.” ...

Mars – dusty, dry, and desert-clad – was once so rich in water it had not just lakes, but oceans, according to a new study.

or ancient volcanic activity. "We're seeing that the shoreline of this body of water evolved over time," Cardenas said. "We tend to think about Mars as just a static snapshot of a planet ...

Right now, the dramatic warming of the planet that marks the human-fueled climate crisis is happening at breakneck speed compared with these ancient processes that took millions of years.