Ryugu’s samples reveal that water activity on asteroids lasted far longer than scientists thought, possibly reshaping ...

Five of Earth’s vital systems are close to a point of irreversible change, warns a new report released by a global network of scientists ahead of the upcoming U.N. climate change conference in Brazil.

Throughout most of Earth's geological history, its paleoclimate has remained hospitable to life—largely thanks to continental ...

Earth's Ediacaran Period, roughly 630 to 540 million years ago, has always been something of a magnetic minefield for ...

A new study has proposed the existence of Planet Y, an alternative Planet Nine candidate that is smaller and closer to Earth ...

Geophysicists have modeled how Earth’s magnetic field could form even when its core was fully liquid. By removing the effects ...