Imagery of fractured terrain on Venus, Mars, and Jupiter’s moon Europa pinpoints environments influenced by water.

The freaky phenomenon, known as a cannibal coronal mass ejection (CME), occurred after two solar eruptions decided to merge ...

A breakthrough by Chinese scientists has pushed flexible solar technology forward by solving a major design challenge: ...

The solar eruption set Earth's skies ablaze, with vibrant auroras visible across the Northern and Southern Hemispheres.

Astronomers have found thousands of exoplanets — worlds beyond our solar system. Most of them are in single-star systems, ...

Slushy hailstones of ammonia and water were part of a bizarre theory to explain the planet's poorly mixed atmosphere. These mushballs seem to be real, say UC Berkeley scientists.