Black Holes
Webcast: What Happens When You Fall Into a Black Hole?
What happens if you fall into a black hole? According to Einstein's general theory of relativity, the fall would be…
Goodbye Big Bang, Hello Black Hole? A New Theory Of The Universe’s Creation
Could the famed "Big Bang" theory need a revision? A group of theoretical physicists suppose the birth of the universe…
Watch Live Webcast: Black Holes and Our Cosmic Evolution
How do supermassive black holes form, and what role do they play in shaping galaxies and galaxy clusters? On Wednesday,…
Supermassive Black Holes Keep Galaxies From Getting Bigger
It's long been a mystery for astronomers: why aren't galaxies bigger? What regulates their rates of star formation and keeps…
Our Galaxy’s Supermassive Black Hole is a Sloppy Eater
Like most galaxies, our Milky Way has a dark monster in its middle: an enormous black hole with the mass…
Black Holes: Monsters of the Cosmos
It's a new Symphony of Science video from melodysheep (aka John D. Boswell). It features Neil deGrasse Tyson, Lawrence Krauss,…
When do Black Holes Become Active? The Case of the Strangely-Shaped Galaxy Mrk 273
The Hubble image above shows a strange galaxy, known as Mrk 273. The odd shape – including the infrared bright…
How Do Black Holes Get Super Massive?
Since their discovery, supermassive black holes – the giants lurking in the center of every galaxy – have been mysterious…
What Is A Quasar?
I love it when scientists discover something unusual in nature. They have no idea what it is, and then over…
Pulled Apart By Black Hole Heart
If you thought all was reasonably quiet at the center of the Milky Way, you'd be wrong. Of course, you…