Present-day Mars is a barren and inhospitable planet, but it may have once had sandy beaches and tranquil ocean vistas. According to findings published on February 24 in the Proceedings of the ...

According to a new study though, an AI system can synthesize oxygen from ... but recent studies done by NASA provided evidence that ancient Mars used to have large bodies of water, like rivers, lakes ...

A hypothetical picture of Mars 3.6 billion years ago, when an ocean may have covered nearly half the planet. The blue areas show the depth of the ocean filled to the shoreline level of the ancient ...

Seismic readings of the interior of Mars strongly suggest large quantities of water buried 6 to 12 miles underground. Persuasive new evidence supporting the possibility of liquid water deep ...

Researchers have long believed that Mars had a vast ocean, and this new study supports and expands on that idea.“We think that this ocean may have connected to a system of underground lakes that ...

The “Mars ocean theory” has long been the topic of discussion among scientists and cartographers due to Mars’s geography, which suggests a large northern ocean once existed on its surface.