XMM-Newton
Scientists Have Seen Light from the Far Side of a Black Hole for the First Time
The detection confirms a key prediction of Einstein's theory of general relativity.
Scientists Think They’ve Found a New Type of Star-Destroying Black Hole
A new analysis of Hubble data has revealed the best candidate yet for a type of black hole that nobody has seen yet, and it gave itself away by tearing a star apart.
A Weird X-Ray Signal Is Coming From Nearby Galaxies and Nobody Knows Why
For years, scientists debated whether the glow was a telltale sign of dark matter. A new study refutes that theory, but that only deepens the mystery.
Two Incredibly Bright X-Ray Flares Might Be Proof of Exotic Black Holes
They may provide evidence for a new form of black hole.
Huge, Hyperluminous Black Hole Found Wandering Through the Universe
Four and a half billion light years from Earth, a black hole is lost and throwing a tantrum.
Watching a Giant Star Pass Gas
Remember the last time you ordered 26 tacos from Jack in the Box at four in the morning because you were totally starving but you couldn't finish them all before you hurled? Now there is proof that stars do the same thing. The European Space...