An X2 class solar flare hit Earth last night, with more flares and a coronal mass ejection likely on the way. Modern humans ...

Researchers look into the stresses caused by oceans in the surrounding shells of icy moons, and find that some can release ...

When a meteor streaks across the sky, it's not just beautiful. It's nature's way of delivering a time capsule to Earth.

New measurements of radio galaxies reveal that the solar system is racing through the universe at over three times the speed ...

Eight distant worlds hold secrets that still puzzle scientists and spark endless curiosity. Each moon offers a strange allure ...

An essential amino acid that is mistakenly believed to cause drowsiness after eating turkey has been found in an asteroid for the first time, giving scientists clues to the origin of life on Earth.

Our solar system is a weird place. Much more than a home to eight planets, it’s filled with a myriad of fascinating other smaller bodies, including moons, asteroids, and comets. In recent decades, ...

"Our analysis shows that the Solar System is moving more than three times faster than current models predict," lead author ...

Apollo samples provide evidence: Researchers analyzed Moon rocks brought back by the Apollo missions and, for the first time, ...

Roughly four and a half billion years ago the planet Theia slammed into Earth, destroying Theia, melting large fractions of ...