Using images from cameras on Mars orbiters, an international research team has discovered structures on Mars that are very ...

In the eyes of many planetary scientists, the surface of Mars's northern hemisphere has long looked like it once contained an ocean. Now it is "sounding" that way, too. Previous evidence for an ...

Mars has long been cast as a frozen desert, but fresh data from China’s Zhurong rover are forcing scientists to picture ...

FAYETTEVILLE, Ark. — Researchers at the University of Arkansas have recently discovered geological formations on Mars that suggest the past presence of large rivers that once flowed into an ocean.

There might be a hidden ocean's worth of liquid water below the surface of Mars, seismic evidence suggests. According to a new paper published April 25 in the journal National Science Review, ...

Billions of years ago, water flowed across Mars. Most scientists agree the red planet had rivers. But did those rivers flow into an ocean? New research from the University of Arkansas found strong ...

CC0 Usage Conditions ApplyClick for more information. Was Mars once covered in oceans? If so, where did they go? Like many scientific endeavors, understanding the history of water on Mars is a team ...

W A S H I N G T O N, June 23 -- Hard on the heels of an announcementthat scientists may have found evidence that water still flowsto the surface of Mars, geologists said today that they have proofthat ...