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 ...

"The biggest surprise of all was that the black hole was not located inside either of the two nuclei but in the middle. We asked ourselves: How can we make sense of this?" ...

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.

Astronomers have detected the signal of a colossal black hole in deep space that likely formed when two already-large black ...

Two colossal black holes among the most massive ever seen collided in deep space, creating gravitational waves that rippled across the cosmos and shook the foundations of astrophysical theory.