Small lakes on ancient Mars may have remained liquid for decades, even with average air temperatures well below freezing.

Happy New Year, everyone! If you’re like me, the arrival of January usually means two things: a fresh start for my goals and ...

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

Scientists have uncovered tens of thousands of previously unseen earthquakes beneath Yellowstone, a reminder that one of the ...