It’s a bird. It’s a plane. No, it’s a Starlink satellite.” That was the refrain ringing around social media as sky watchers gazed in amazement at the string of glowing lights racing across the early ...

Using data from the Vera C Rubin Observatory, experts have revealed just how big the object, dubbed 3I/ATLAS, really is.

As scientists wait for the asteroid to reappear, its revised trajectory is now drawing attention to another possible target: ...

The object, named NGC 6099 HLX-1, first appeared in 2009. Chandra caught the bright X-ray flash near the galaxy’s outskirts.

Astronomers may have found a rare intermediate-mass black hole outside galaxy NGC 6099—offering clues about how bigger black holes form.

64D. [Coneheads, e.g., for short] are ETS in the 1993 movie “Coneheads,” adapted from a “Saturday Night Live” sketch, in ...