Astronomers watched as a galaxy with the forgettable name SDSS1335+0728 suddenly sprang to life when its massive black hole ...

Astronomers witnessed two galaxies engaged in an intense deep-space battle for the first time. Watch the “cosmic joust” in action.

Dark matter is more than five times as abundant as all the visible matter in the universe. So why can't we see any of it?

Princeton graduate students April Qiu Cheng and Albert Qin are two of the 19 recipients of the 2025 Hertz Fellowships in ...

Besides particles like sterile neutrinos, axions and weakly interacting massive particles (WIMPs), a leading candidate for ...

For the first time, astronomers have witnessed a violent space collision between two galaxies. Dubbed a 'cosmic joust' by the ...

The James Webb Space Telescope yielded the largest galaxy group sample ever observed after scanning a patch of sky known as ...

NASA and JAXA discovered a fascinating superstorm from a black hole that may reshape galaxies by triggering star formation ...

Some stars streaking through the Milky Way at millions of kilometers per hour probably trace back to a supermassive black ...

Research from Norway suggests supermassive black holes and their powerful winds might be the long-sought cosmic cause behind ...

In this distant system, two galaxies repeatedly charge at each other at speeds of 500 kilometers per second, colliding and recoiling in a spectacular dance.

Dozens of 'wandering' black holes could be tumbling through our galaxy right now, new simulations hint. Their existence could ...