Seismic readings of the interior of Mars strongly suggest large quantities of water buried 6 to 12 miles underground.

Researchers have found new evidence for a massive subsurface ocean on Mars, again raising the possibility of microbial life.

The world's sea levels grew far more quickly and by a larger amount than anticipated in 2024, mostly due to warming water ...

Ocean water expands as it warms, researchers said. Climate change was a major driver to an unexpected level of sea level rise in 2024, according to a new NASA analysis. Global sea levels rose 0.23 ...

The astronauts, part of the Crew-9 mission, ended their spaceflight as they splashed down in the Atlantic Ocean having braved ...

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) ...

“Every year is a little bit different, but what’s clear is that the ocean continues to rise, and the rate of rise is getting faster and faster,” said researcher Josh Willis of Nasa’s Jet ...

Nasa astronaut Sunita Williams and her crew will return to Earth aboard the SpaceX Crew Dragon capsule after spending nine ...

Europa, one of Jupiter’s intriguing moons, is hiding an ocean beneath its icy shell — an ocean that might harbor alien life.

Although the Earth’s been decidedly blue for 600 million years, rising populations of phytoplankton caused by rising temperatures are once again causing the world’s oceans to turn green.