Certain metallic rocks seem to be making oxygen in the dark, without light or sunshine, at the bottom of the ocean.

Little Friends We've heard of underground parties — but this is ridiculous. A recently released study authored by microbial ...

The car-sized Curiosity rover has spotted evidence of once quite hospitable environs on Mars.

The study of ancient lava formations on Mars is the most complete to date from a series of observations conducted on the ...

New research reveals ancient ripples on Mars, providing compelling evidence of long-lost lakes that once existed 3.7 billion ...

A near-Earth object was likely ejected into space after an impact thousands of years ago. Now it could contribute new ...

Scientists have discovered a way to produce ammonia—a key ingredient in fertilizers—by harnessing the Earth’s heat and ...

Roughly 201 million years ago, drastic changes extinguished many forms of life and led to conditions that allowed the ...

The striking paradox is that science tells us both that we’re peripheral in the cosmic scheme of things and central to the ...

NASA's Curiosity Rover has been exploring Mars since 2012 and more recently has found evidence of ice-free ancient ponds and ...

Instead of relying on energy-hungry reactors to generate high temperatures and pressure, researchers are looking underground ...

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