"Shorelines are great locations to look for evidence of past life." Today, Mars is a chilly desert of rock and dust — but 4 billion years ago, the planet had rivers, lakes and even oceans with sandy ...

Mars might hold enough subsurface water to cover its surface in a global ocean between 0.62 to 1.24 miles (1 to 2 kilometers) ...

"We found evidence for wind, waves, no shortage of sand—a proper, vacation-style beach," said geologist Benjamin Cardenas.

The idea of an ancient Martian ocean has fascinated scientists for decades. Now, groundbreaking research based on radar scans ...

In the 1970s, NASA’s Mariner 9 and Viking 2 were the first missions to spy features that suggested the presence of an ancient ocean on Mars. Utopia Planitia dates to the Hesperian Period ...

The growth and lifespan of Parvancorina minchami, small anchor-shaped animals that lived on the seafloor about 550 million ...

With its ground-penetrating radar, Zhurong had an opportunity to look for underground evidence of an ancient ocean. "The southern Utopia Planitia, where Zhurong landed on May 15, 2021, is one of ...

Evidence suggests Mars once had an ancient ocean, with data from China's Zhurong rover revealing coastal deposits beneath the surface.

Minerals swept up on land by this “glacial broom” altered marine chemistry and infused oceans with nutrients that they say may have shaped how complex life evolved. This ancient period of deep ...

The strategic, cultural, and economic significance of ancient Greek colonies in the Black Sea and their enduring legacy.

Scientists have possibly solved the mystery of the Indian Ocean Geoid Low, a large gravity anomaly discovered in 1948. They ...