NASA scientists have determined that a primitive ocean on Mars held more water than Earth's Arctic Ocean and that the Red Planet has lost 87 percent of that water to space.

Mars may have once hosted an ocean with waves that lapped against sandy beaches 3.6 billion years ago, according to new research. China’s Zhurong rover and its ground-penetrating radar detected ...

An artist's concept of what an ocean on Mars may have looked like. NASA/GSFC “From the ground, we could take a snapshot of the whole hemisphere on a single night,” said Goddard’s Michael Mumma.

The new images by the Curiosity rover on Mars show "dramatic evidence" of ancient groundwater in crisscrossing low ridges, ...

An ocean’s worth of water may be hiding under Mars’ red dusty surface, study suggests Aug. 14, 2024 Underground microbes may have swarmed ancient Mars, scientists say ...

The rise of the largest volcanoes in the solar system may have led Mars to possess oceans hundreds of millions of years earlier than previously thought, a new study finds.

The oceans that once covered Mars may have formed somewhere around 3.7 billion years ago, even earlier than previously thought, according to UC Berkeley scientists.

Mars may have been a prime vacation spot millions of years ago, according to a new study on its coastal deposits. The data ...

Enough water to cover the surface of Mars has been discovered within the crust of the Red Planet by NASA's InSight mission. The ocean is buried between one and two kilometers (0.62 and 1.24 miles ...

New research suggests Mars could have enough water under its surface to form a global ocean. On Monday, scientists released their findings, which are based on seismic measurements captured from ...

Enough water to cover the surface of Mars in an ocean between one and two kilometers (0.62 and 1.24 miles) deep has been discovered within the crust of the Red Planet by NASA's InSight mission ...