The Space Launch System and Orion capsule are being transported to the launchpad before an astronaut mission that could ...

Trump's calls for a takeover of Greenland puts open scientific collaboration that is helping our understanding of the threat ...

Satellites detected a mysterious gravitational change beneath Earth's surface, suggesting rapid movement of interior masses.

As meteorologists watch the tropics during the quiet winter months, a different kind of signal is drawing attention. The ...

The world’s first legally binding agreement to protect marine life in international waters takes effect Saturday.

As Earth warms due to climate change, oceans are heating up, becoming more acidic, and losing oxygen. These changes threaten ...