"You need so much water that we think these could be evidence of an ancient warmer and wetter climate where there was rain ...

“The presence of liquid water [on Mars] is a broad topic that includes rains, rivers, lakes, as well as oceans,” says Ezat ...

On Jan. 18, 2004, the European Space Agency's Mars Express successfully mapped Mars' south pole, and, in a first, revealed the presence of both water ice and carbon dioxide ice. Launched June 2, 2003, ...

Ancient shoreline features hint that water on Mars once formed a vast ocean.

NASA’s Perseverance rover has just made history by driving across Mars using routes planned by artificial intelligence instead of human operators. A vision-capable AI analyzed the same images and ...

Spacecraft orbiting the Red Planet have helped researchers map out an ancient coastline that surrounded a large ocean billions of years ago ...

ESA's first mission to another world, the Mars Express orbiter, began circling the Red Planet on June 2, 2003. Ever since, ...

Scientists believe modern technology to be crucial in 'supporting sustained missions' on Mars.

Three billion years ago, you could have stood on Mars and watched a river spill into a sea. That picture is still speculative ...

NASA’s Perseverance rover has completed the first AI-planned drives on another world, marking a ...

Millions of years ago, the Green River carved a path through the Uinta Mountains instead of flowing around the formation. Now ...

Curious Kids is a series for children of all ages. If you have a question you’d like an expert to answer, send it to [email protected]. Are there thunderstorms on Mars? – Cade, age 7, ...