Somewhere in the universe, enormous black holes are circling each other so slowly that ...
Forecasters have issued alerts for potential geomagnetic storms due to solar material hurtling toward Earth. Two coronal mass ejections—giant bursts of solar wind—were spotted on December 16 and are ...
Astronomers have spotted the most massive known stellar black hole in the Milky Way galaxy after detecting an unusual wobble in space. The so-called "sleeping giant," named Gaia BH3, has a mass that ...