Astronomers have spotted the largest cosmic explosion ever witnessed. The cosmic event, which occurred about 8 billion light-years from Earth, is 10 times brighter than any known exploding star.

Astronomers spot record-breaking radio signal that took 8 billion years to reach Earth: "Mind-blowing" October 20, 2023 / 6:45 AM EDT / CBS/AFP ...

Astronomers have used the Hubble Space Telescope to find evidence of an elusive kind of black hole, one that's about 8,000 times more massive than our sun. What makes this black hole special is ...

Astronomers using the James Webb Space Telescope have spied dynamic flares of light near the supermassive black hole at the center of the Milky Way galaxy. The constant, rapid-fire display ...

7 Great Discoveries by Amateur Astronomers. Latest spot on Jupiter just one of many significant finds by non-professionals. By ABC News. July 31, 2009, 11:05 AM.

And astronomers have a brand-new, superpowerful eye with which to see the changing cosmos: the Vera C. Rubin Observatory in Chile. The Rubin Observatory released its first images last week, and ...

Mercury reaches its point of greatest eastern elongation on Friday (July 4), presenting an excellent opportunity to spot the ...

Astronomers have spotted an alien planet orbiting so closely to its home star, the planet's magnetic field is triggering ...