Exactly when and how plate tectonics started, however, is a matter of debate. Now, in a study published March 19 in the ...

It transports far more than 100 times as much water as all of the Earth's rivers combined: The Antarctic Circumpolar Current ...

Earth Day is celebrated across the country, and the globe, through the mobilization for environmental causes. While it may ...

Artemis II is now the farthest crewed mission from Earth in history. The occasion was marked by a number of poignant moments.

The four astronauts — three Americans and one Canadian — traveled farther from Earth than any human beings in history earlier Monday, reaching a maximum distance from Earth of 252,756 miles, passing ...

Deep below the surface of Murujuga, soil expands and contracts from the passage of water. Each wetting cycle is like a sodden ...

The four astronauts concluded a historic journey around the lunar far side that included their greatest distance from the ...

In the span of a few hours Monday night, the Artemis II crew broke a record and did something else no humans have ever done before.

Earth may have won a cosmic chemistry lottery. Researchers found that during the planet’s earliest formation, oxygen had to be in an extremely narrow “Goldilocks zone” for two life-essential elements, ...

A new analysis of meteorite isotopes challenges long-held ideas about Earth’s origins, suggesting our planet may have formed ...

The highly anticipated lunar flyby of the Artemis II mission will take four astronauts on a pioneering survey of the moon ...

The crew of Artemis II is expected to pass a historical marker in space exploration today. Here’s how that “one small step” ...