A new study of Mars' gravitational field has revealed mysterious structures hiding beneath the sediment layers of a lost ocean. Experts still aren't sure what they are or how they formed.

Traces of ancient ocean discovered on Mars Date: October 27, 2022 Source: Penn State Summary: A recently released set of topography maps provides new evidence for an ancient northern ocean on Mars.

Beneath the surface of Mars, a large hidden ocean that could harbor life was discovered. Scientists used seismic data collected by NASA’s InSight lander to locate the underground reservoir ...

Bob McDonald's blog: It has long been suspected that liquid water once flowed on Mars. Now the latest research shows that billions of years ago, Mars had a deep ocean covering hundreds of ...

Gravity map of Mars. The red circles show prominent volcanoes on Mars and the black circles show impact crates with a diameter larger than a few 100 km.

Mars may be around 140 million miles away from Earth, but the red planet is influencing our deep oceans by helping drive “giant whirlpools,” according to new research.. Scientists analyzed ...

The findings, published Aug. 12 in Proceedings of the National Academy of Sciences, hint at sufficient water to fill oceans and globally cover Mars to a depth of over a mile (1 to 2 kilometers).

Ancient Mars may have been a beach paradise 4 billion years ago. A new study published in Proceedings of the National Academy of Sciences reports that the Chinese Mars rover Zhurong detected evidence ...

NASA's Mars Reconnaissance Orbiter took an image of InSight sitting on the Martian surface on February 2, 2019. The lander was located in a flat plain called Elysium Planitia.

A new review of ocean data suggests that more than 99.999 percent of the global deep seafloor has never been seen by humans. But what does that really mean? “In scientific papers, some people ...

A recently released set of topography maps provides new evidence for an ancient northern ocean on Mars. The maps offer the strongest case yet that the planet once experienced sea-level rise ...