There might be a type of exoplanet without dry land. They're called "Hycean" worlds, a portmanteau of "hydrogen" and "ocean." ...

The northern plains of Mars, marked by thousands of mounds and hills, hold significant evidence of the planet's watery past.

A groundbreaking new study of microbes underground is challenging everything we thought we knew about extreme environments.

Dinosaurs long dominated Earth's land ecosystems with a multitude of forms including plant-eating giants like Argentinosaurus, meat-eating brutes like Tyrannosaurus and weirdos like Therizinosaurus, ...

Montana Tech researchers have a new scientific article out, detailing how samples taken from hot springs at Yellowstone ...

Americans, Russians and spacefarers from other countries have been working together aboard the International Space Station ...

Thousands of mounds and hills in Mars’ barren northern plains are full of clay minerals, providing evidence that the rocks ...

News stories about the likely existence of extraterrestrial life, and our chances of detecting it, tend to be positive. We ...

Mars is home to perhaps the greatest mystery of the Solar System: the so-called Martian dichotomy, which has baffled ...

The pair stepped outside the ISS as it flew 260 miles above Turkmenistan, making the spacewalk a key part of their ongoing ...

Researchers have innovatively merged protein structural data with genetic sequences to construct evolutionary trees, ...