The DESI survey reveals that active black holes in small galaxies are common. The findings may help reveal how the two cosmic bodies evolve together.
A new AI machine learning technique helped historians analyze 76,000 pages from astronomy textbooks spanning nearly two centuries.
Dozens of stars fleeing a neighbor of the Milky Way suggest these escapees could have an outsized influence on their cosmic surroundings.
As satellite launches ramp up and the spacecraft clog the skies, astronomers fear for their data.
After decades of searching, a telltale gravitational wobble points to an exoplanet orbiting the nearby red dwarf every 3.15 days.
Betelgeuse has a sequel — in the form of a companion star that's about the same mass as the sun, orbiting it about once every 2,100 days.
Starlink satellites unintentionally emit radio waves that appear more than 10 million times brighter than natural sources, as seen by ground-based radio telescopes.
The two plasma fountains, spanning 23 million light-years, could shape cosmic structures far beyond their home galaxy.
In a first, astronomers captured how convective forces power the quick bubbling movement of gas cells on the surface of a distant, massive star.
One of the best possible signs of extraterrestrial communication may have an astrophysical explanation — albeit a weird one.
