Black Holes
Gamma Rays Pour From the Edge of a Supermassive Black Hole
Astronomers have discovered gamma rays streaming from the vicinity of the supermassive black hole at the heart of galaxy M87.…
Black Holes About to Get Active Again
Astronomers have identified two distant supermassive black holes, or quasars, which might be about to get much brighter. New data…
Survey of Nearby Black Holes
Ever wonder how many black holes are nearby? Well, NASA has gone and counted them for you. According to data…
Black Hole Stops Star Formation in Elliptical Galaxy
New images from NASA's Chandra X-Ray Observatory show the environment around the supermassive black hole at the heart of M87,…
Finding All the Black Holes
Black holes might be invisible, but the superheated matter piling up around them shines brightly in the gamma ray spectrum.…
Fine Tuning the Search for Black Holes
Although black holes can't be seen directly, they're relatively easy to find. Matter spiraling into a black hole becomes superheated,…
Supermassive Black Holes Prevent Star Formation
The supermassive black holes thought to be lurking at the heart of most galaxies could create such a hostile environment…
The Search for Hidden Black Holes
Look into the sky with X-ray instruments, and you'll see a background radiation in all directions. Astronomers think these X-rays…
A New View of Quasars
Some of the brightest objects in the Universe are quasars. A mystery for decades, most astronomers now believe quasars are…
Magnetic Fields Help Black Holes Pull In Matter
Even though the gravity from black holes is so strong that light can't even escape, we can see the radiation…