This July 31 full moon counts as extra special because it's a Blue Moon - the second of two full moons to occur in a single calendar month.

When our sun and planets were born, the Kepler-444 system was already older than our solar system is now.

Different types of ice loss from glaciers produce distinct rumbles, snaps and splashes as icebergs are born. Have a listen!

Who knew asteroids could have flowing water? They are so small, airless and cold that the idea seems surprising, to say the least. The latest evidence, here.

Discovered in 2010, two vast and mysterious Fermi bubbles radiate out from our Milky Way galaxy's core. An update from the three astrophysicists who found them.

It's a super Saturn, 434 light-years from Earth. It has more than 30 rings, with a total diameter of some 120 million kilometers. If we could replace Saturn’s rings with these rings, they’d be easily visible from Earth and larger in our sky than a full moon.

Dreaming the night away while waiting for the clouds to clear.

Two photos taken by ISS astronauts - one at night and the other in daylight - show the peninsula of southern India.

The Suomi NPP and the GOES-East satellites captured the powerful storm as it neared its peak intensity, in the early morning hours of January 27.

A panoramic view of the desert world next door, from one of the highest elevations reached by the Mars rover Opportunity in its 11 years on the Red Planet.