Kepler-51d is a giant, ultra-light “super-puff” planet wrapped in an unusually thick haze that’s blocking scientists from ...

Two microscopic grains collide and produce a tiny spark. This phenomenon may have provided the energy to kick off life on ...

How fast can a galaxy build ordered magnetic fields spanning thousands of light-years? Existing theories say several billion ...

"Discoveries like this are cosmic archaeology, uncovering rare stellar fossils that preserve the fingerprints of the universe ...

In one of the biggest surprises of NASA's OSIRIS-REx mission, its target asteroid, Bennu, turned out to be a jagged, rugged ...

Titan, Saturn's largest moon, happens to share some truly remarkable geophysical and geological processes with our home ...

Rocks from outer space are constantly hurtling toward Earth, slamming into the atmosphere and often exploding into fireballs ...