Our Galaxy's Core Mysteriously Erupted With a Beam of Light, Scientists Say
The explosion stretched for hundreds of thousands of light years into space and “must have been a bit like a lighthouse beam,” researchers say in a new study.
Our Solar System Might Have a Black Hole From the Dawn of the Universe
This alternate explanation for 'Planet Nine,' proposed by scientists in a new paper, poses some fundamental questions like: Should we visit it?
Astronomers May Have Seen a Star Turn Into a Black Hole for the First Time
Last year astronomers witnessed an explosion like no other. Now astronomers are debating if what they witnessed was the exact moment a star became a black hole.
Astronomers Discover a Supermassive Black Hole Rotating At Half the Speed of Light
The astronomers took advantage of a fortuitous discovery to measure the rotation of a supermassive black hole with unprecedented accuracy.
Gravitational Waves Show No Evidence of Extra Dimensions
Observing the light from neutron stars provided a baseline to measure the effects of extra dimensions on the propagation of gravitational waves through space.