What’s better than two gigantic galaxies swirling into one another until they collide? How about three galaxies swirling into one…
Can black holes be famous? If they can, then the one at the heart of the M87 galaxy qualifies. And…
An international team of researchers was able to accurately measure the effect that a supernova shock wave had on the…
Images of the Crab Nebula are always a treat because it has such intriguing and varied structure. Also, just knowing…
A team of researchers using the Chandra X-Ray Observatory have spotted a wave of hot gas larger than the Milky…
30 years ago today, a supernova explosion was spotted in the southern hemisphere skies. The exploding star was located in…
Does a distant black hole provide a new definition of pain and suffering? The black hole, named XJ1500+0154, appears to…
In 2011, a coronal mass ejection reached Jupiter and produced x-ray auroras hundreds of times brighter than Earth's auroras.
What a gem! This huge black hole in the middle of Hercules A is making gas around it super-heated to…
X marks the spot: after probing the area where a star used to be, in X-rays, astronomers have been able…