Tiny bits of Earth’s atmosphere have been drifting to the moon for billions of years, guided by Earth’s magnetic field.

When we think of global warming, what first comes to mind is the air: crushing heat waves that are felt rather than seen, ...

Grab-and-go missions to asteroids have provided some of the most scientifically valuable samples since the Apollo ...

New research suggests a comet explosion helped cause ice age extinctions, sudden cooling, and the loss of early human cultures.

The Lomagundi-Jatuli event, which occurred more than two billion years ago, followed the Great Oxygenation Event and was ...

The input of fresh organic matter, and the induced priming effect (PE), has long been recognized as a critical regulator of ...