"This work is a step toward understanding how quantum mechanics and gravity work together, a major unsolved problem in ...

Predicted by Einstein and dismissed as undetectable, gravitational waves were finally heard in 2016. Now, with observatories ...

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

The bold question-askers at What If reveal how black holes bend light and allow us to peer into their mysterious depths.

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

NASA's Chandra X-ray Observatory provides a new look at the Andromeda galaxy in this multi-wavelength image that includes ...

LOFAR is a massive radio telescope that comprises 100,000 antennas spread across eight European countries. The researchers ...

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

The Hubble Space Telescope's evidence of an "intermediate-sized" black hole about 6000 light-years away in the closest ...

One of the most perplexing discoveries in modern astronomy has been finding supermassive black holes, some weighing billions ...

Hubble spotted a rare off-center black hole shredding a star, revealing the first optical discovery of a wandering ...

A cloud of high-energy particles surrounding a distant galaxy cluster offers a rare glimpse into the forces shaping the early ...