Astronomers have made a "once-in-a-lifetime" discovery - the largest known black hole in our galaxy, the Milky Way. Dubbed Gaia BH3, the huge region of spacetime is believed to be 33 times the ...

On December 2, within 24 hours, a coronal hole, or dark spot, emerged on the surface of the sun. This formidable entity boasts a width equal to 60 Earth-sized planets. Coronal holes are a result ...