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

NASA compares the universe's biggest black holes with "each other and to our solar system," in this Goddard Space Flight ...

Very massive stars are cosmic "rock stars" that live fast, die young and leave black holes in their place. During this ...

Supermassive black holes usually lurk unseen, but when an unlucky star drifts too close they ignite titanic outbursts ...

The image of supermassive black hole Sagittarius A * was created using data from the Event Horizon Telescope Collaboration.

Hubble Space Telescope snapped an image of UGC 11397, a spiral galaxy situated in the constellation Lyra, about 250 million ...

A new quantum recipe for black holes could be the first step toward a theory of "quantum gravity", the "holy grail" of ...

Priyamvada Natarajan has spent decades exploring some of the universe’s most persistent mysteries, particularly the unseen ...

The light that the NASA/ESA Hubble Space Telescope collected to create this image reached the telescope after a journey of ...

A new way to discover ancient black holes These extreme nuclear transients are giving astronomers a new tool to find supermassive black holes that are otherwise invisible, especially in the early ...

The Hubble Space Telescope is making waves again, this time for a snapshot of a spiral galaxy located 250 million light-years ...

NASA/ESA's Hubble Space Telescope captures an image of the active galactic center in spiral galaxy UGC 11397, located in the ...