Black Holes
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…
Everything’s on the Menu for Supermassive Black Holes
The supermassive black holes that lurk at the heart of most galaxies have enormous appetites. They've already consumed millions of…
Podcast: Dark Energy Stars
Black holes... you know. Cosmic singularities that can contain the mass of billions of stars like our Sun. Where the…
The Sky is Full of Black Holes
Astronomers have been puzzling over a mystery for a few years now, and they think they might have an answer.…
Black Hole Gulps Down a Neutron Star
An international team of astronomers have analyzed a recent short gamma-ray burst, and they think it's the last scream of…
That Neutron Star Should Be a Black Hole
Astronomers were expecting that a massive star in the Westerlund 1 star cluster should have collapsed into a black hole.…