Gravitational waves stretch and squeeze the fabric of space and time itself. When space/time is squeezed, pulsar pulses ...

Two supermassive black holes carrying the faint light of the Big Bang, 11.6 billion and 11.7 billion light-years away, have ...

Astronomers have discovered extraordinarily powerful X-ray jets blasting from two supermassive black holes that are so ...

For decades, scientists have believed there should be black holes that fall between two well-known types. On one end are ...

A team of scientists is proposing a bold alternative to the Big Bang theory, suggesting that our universe may have instead ...

NASA's Chandra X-ray Observatory has detected powerful black hole jets emanating from a galaxy 11.6 billion light-years away. These jets, formed durin ...

Astronomers confirm ‘lite intermediate’ black holes, too large for ordinary stars, revealing clues about early stellar origins.

Andromeda never looked as good as it does in a new image from the Chandra X-ray observatory and a range of powerful ...

A vast filament of gas stretching across the cosmos may help solve the mystery of the Universe’s missing matter. Astronomers ...