Twin orbs of superhot plasma at the Milky Way's center known as the "Fermi bubbles" contain inexplicable clouds of cold ...

Using ripples in space-time predicted by Einstein, researchers detected a cosmic merger of unprecedented proportions. A ...

A short-lived ripple in space-time revealed that two black holes merged into a giant black hole with the mass of 225 suns ...

Astronomers have detected the most massive black hole merger ever observed, challenging stellar evolution and black hole formation theories.

NASA has spotted something that it's not normal to observe in the universe. Usually, these monsters are shooting jets - now ...

The LIGO Hanford Observatory near the Tri-Cities and its twin in Louisiana detected ripples of time and space passing through ...

France’s prime minister announced plans for spending cuts on Tuesday as the government targets around 43 billion euros’ ($50.0 billion) worth of savings ...

A collision observed between two black holes, each more massive than a hundred suns, is the largest merger of its kind ever ...

An international team of physicists discovered the largest-ever merger of 2 black holes through a phenomenon known as gravitational waves.

After failing to adequately upgrade their roster over the offseason, the Philadelphia Phillies appear ready to go all-in at the ...

This artist's concept visualizes a kilonova – an explosion that happens when two neutron stars or a neutron star and a black hole collide and merge. When these collisions happen, a fraction of the ...

A black hole jet from the Centaurus A galaxy is "hitting something along its path," that is baffling astronomers. The Chandra ...