But while lifeless during that time, the planet was already covered by vast oceans dotted with hydrothermal vent systems that ...

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

Where did Earth’s water come from? Was it delivered by asteroids, formed deep within our planet, or did it exist long before ...

Researchers say it’s particularly worrisome for agriculture, and hope their work will strengthen efforts to reduce water ...

Water evaporates from ground level and rises into the atmosphere, spreading across the world as vapour before cooling, condensing and returning to the Earth as rain or snow. However, decades of ...

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

New microlightning research out of Stanford adds a "striking" twist to an existing theory about how life may have originated ...

Those on board, which include not only Williams and Wilmore, but also NASA astronaut Nick Hague and Roscosmos cosmonaut Aleksandr Gorbunov, have a 17-hour trip back to Earth. They are expected to make ...

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 ...

Earth’s Storage of Water in Soil, Lakes and Rivers Is Dwindling ... the right moment to verify something that was not possible before.” But Samaniego stressed that the finding isn't only ...