Levels of potentially dangerous cosmic radiation in Earth's atmosphere rose to a two-decade high in November after a rare ...

Our planet’s magnetosphere has seen dramatic shifts across its history—even total reversals—but this recent wrinkle doesn’t ...

NASA said the discovery shows such "building blocks" of life are "widespread throughout the solar system." ...

For decades, helium has been produced with natural gas, generating huge carbon emissions. Now, geologists are looking for new ...

Fleets of satellites interfere with snapshots taken by Earth-bound observatories. But a new study suggests these orbiters ...

Later in December, the 3I/ATLAS interstellar comet will get as close to Earth as it ever will. Here's what to know.

Ice masses are alive with activity, images reveal.

Scientists can usually spot coronal mass ejections before they affect Earth—but this one snuck past coronagraphs and ...

Fresh evidence suggests early Earth wasn’t locked under a rigid stagnant lid but was already experiencing intense subduction.