For decades, scientists have had better maps of the Moon and Mars than of Earth’s own ocean floor. But thanks to NASA’s ...

Water might have formed much earlier than previously thought. Computer simulations show supernovae produced significant ...

The building blocks of life on Earth may have been fueled by tiny sparks hopping between water droplets.

While previous studies say volcanic or atmospheric lightning may have triggered chemical reactions that created organic ...

Astronauts Barry “Butch” Wilmore and Suni Williams are back on Earth after nearly nine months in space and readjusting to ...

Where did Earth’s water come from? Was it delivered by asteroids, formed deep within our planet, or did it exist long before Earth itself? A study now suggests that water could have formed in ...

The pair waved and smiled as they emerged from the SpaceX Dragon, which splashed down off the coast of Florida.

The NASA astronauts splashed down on Tuesday in a SpaceX capsule after problems with a Boeing vehicle set in motion a ...

Joining the Starliner astronauts for the water landing off the Florida coast at around 5:57 p.m. EDT were NASA astronaut Nick ...

A four-member crew, including NASA astronauts Sunita "Suni" Williams and Barry "Butch" Wilmore, left the ISS early Tuesday on ...