Centaurus A -- that popular target for astrophotographers in the southern hemisphere -- has a much wider halo than expected,…
On a summer night, high above our heads, where the Northern Crown and Herdsman meet, a titanic new galaxy is…
There are few moments more breathtaking than standing beneath a brilliant starry sky. Thousands of small specks of light mark…
After almost nine years on the road, New Horizons is in what NASA calls "Pluto-space"! Earlier today (July 7), the…
It’s one of the most iconic images of the modern Space Age. In 1995, the Hubble Space Telescope team released…
It's going to be a really busy summer for the New Horizons team. While they're checking out the newly awakened…
It’s perhaps one of the most famous images in astronomy. The Hubble Ultra Deep Field displays nearly 10,000 galaxies across…
Shock waves! Fast-moving particles! Magnetic fields! This image has it all. Behold the merging galaxy clusters MACS J0717+3745 about five billion…
A recent space rock discovery has sent a minor buzz through the community that tracks such objects. And as usual,…
A supergiant star exploded 23.5 million years ago in one of the largest and brightest nearby galaxies. This spring we…