Black Holes
A Galaxy is Making New Stars Faster Than its Black Hole Can Starve Them for Fuel
A monster lurks at the heart of many galaxies – even our own Milky Way. This monster possesses the mass…
Black Holes Gain new Powers When They Spin Fast Enough
Fast spinning black holes could have features different from those predicted by general relativity.
Hubble Sees Dark Shadows That Could Be Cast by a Supermassive Black Hole
We use the term 'supermassive black hole' with a kind of casual familiarity. But stop and think about what they…
Merging Black Holes and Neutron Stars. All the Gravitational Wave Events Seen So Far in One Picture
The Theory of Relativity predicted the existence of black holes and neutron stars. Einstein gets the credit for the theory…
Do neutron star collisions produce black holes?
A new study looks at how neutron stars can merge to create a black hole.
We actually don’t know how fast the Milky Way’s supermassive black hole is spinning but there might be a way to find out
The stars at the center of our galaxy could tell us just how fast our closest supermassive black hole is…
Astronomers Watch a Star Get Spaghettified by a Black Hole
When a black hole consumes a star, it does so by turning it into spaghetti first. Astronomers have seen it…
Black Holes Make Complex Gravitational-Wave Chirps as They Merge
When black holes collide, they emit chirps of gravitational waves even after they have merged.
Einstein. Right again
Astronomers can now test the limit of relativity and whether new physics lies beyond Einstein's model.
The Shadow from M87’s Supermassive Black Hole has Been Observed Wobbling Around the Galaxy for Years
Over the past decade, the shadow of a black hole in M87 has been wobbling, which tells us about how…