Liquid water once shaped the Martian landscape dramatically, carving valleys, filling lakes, and forming vast oceans. Billions of years ago, during Mars' early days known as the Noachian and Hesperian ...

A new analysis of Mars’ gravitational field has revealed hidden structures buried beneath the remains of an ancient ocean. The work, which was presented this week at the Europlanetary Science Congress ...

In recent years, science has unveiled some astonishing secrets—from what lurks inside black holes to the discovery of a vast new “8th continent.” Even closer to home, researchers have uncovered a ...

There might be a hidden ocean's worth of liquid water below the surface of Mars, seismic evidence suggests. According to a new paper published April 25 in the journal National Science Review, ...

A sudden flood from a hidden lake beneath Greenland's ice sheet reveals a powerful meltwater process not currently accounted for in climate change models. As global warming intensifies, researchers ...

Researchers made a tantalizing discovery after they MacGyver-ed old data from a radar instrument on a satellite gathered 14 years ago from the Moon. When they used the mission data in a fresh new way, ...

A quiet threat has emerged in the far reaches of Canada’s Yukon Territory. The Tintina fault, once thought to be dormant for millions of years, has been showing signs of seismic activity, raising ...

The BepiColombo spacecraft flew past Mercury for the fifth time last week, revealing the planet in mid-infrared light for the first time. The images revealed details of the temperature and composition ...

Trillions of tons of hydrogen gas are likely buried in rocks and reservoirs beneath Earth's surface, but researchers aren't sure where it is yet. When you purchase through links on our site, we may ...