The Andromeda galaxy will eat up the Milky Way in four billion years. Here are images to remember it by.
“You are the first to see our image of the black hole in the center of our galaxy—as close as it gets,” said one of the scientists who led the imaging mission.
Scientists invoke “new physics” to explain the weirdly synced-up “satellites” observed around the Milky Way and other nearby galaxies.
An excess of high-energy light may come from "undetected" dead stars, not dark matter, according to a new study.
The Milky Way recently blew a gasket, according to a space instrument that was recently switched off over Russia’s invasion of Ukraine.
Something mysterious is blocking cosmic rays in the Central Molecular Zone, according to a new study.
Timo Prusti of the European Space Agency talks to Motherboard about the Gaia mission’s unprecedented catalog of more than one billion astronomical objects.
The newly discovered signals flash for weeks at a time and can stop in just a day, a pattern that has no clear explanation.
Palomar 5, a cluster flanked with giant star tails, will be completely usurped by black holes in one billion years, scientists predict.
Hundreds of images captured over 20 years were compiled to create the spectacular panorama.
An unexplained glow at the center of the Milky Way that has puzzled scientists for years might just be the aftermath of dark matter annihilation events.