Astronomers Detected a Black Hole-Neutron Star Merger, and Then Another Just 10 Days Later

Galactic 'bridges' could be the largest rotating structures ever discovered. Astronomers have uncovered evidence that cosmic filaments – tendrils of matter that stretch across hundreds of millions of light years – are also spinning. Rotation on such gigantic scales has never been observed before.

Physicists observationally confirm Hawking's black hole theorem for the first time

Astronomers discover record-breaking star as small as the moon but with more mass than the sun