"The discovery of this stream highlights how much is still unknown about the life histories of galaxies, how the hidden ...

LHAASO has uncovered that micro-quasars, black holes feeding on companion stars, are powerful PeV particle accelerators.

Chandra X-ray Observatory and X-ray Polarimetry Explorer (IXPE) imagery of the Milky Way's core and supermassive black hole ...

The James Webb Space Telescope has captured a fleeting, spectral flash from the Milky Way’s central black hole, a signal that ...

James Webb Space Telescope's mid-infrared instrument (MIRI) noticed an infrared flare from the Milky Way's supermassive black ...

The JWST's MIRI detected a flare in Sagittarius A*, revealing for the first time in mid-infrared how an explosion occurs near ...

All motion is relative. That simple fact makes tracking the motion of distant objects outside our galaxy particularly ...

Tracking down black holes at the center of dwarf galaxies has proven difficult. In part it is because they have a tendency to ...

Scientists have created the first-ever simulation that models every one of the Milky Way’s 100 billion stars, using AI to run galaxy-scale physics 100 times faster than previous methods.

On this week's episode: bees trained to keep track of time, eating small amounts of plastic can kill ocean animals, ...

A long-held dream in astronomy has finally come into reach, and it carries a surprising emotional weight. For years, ...

Chinese researchers have identified black holes as the likely source of the high-energy component of the cosmic-ray “knee.” Milestone findings released on November 16 by the Large High Altitude Air Sh ...