Derek Wallentinsen stood atop Inscription Rock in El Morro National Monument on the night of May 23, 2019, taking photographs of the star-filled sky to document the darkness. A ranger at the time, he ...

A newly discovered interstellar comet is racing through our solar system, and the first telescope to capture it may have been ...

Scientists have issued a concerning update on a mystery interstellar object travelling through our solar system.

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.

Planetarium will offer two new shows in August - Messengers of Time & Space and Max Goes to the Moon - at 118 Lamington ...

Nearly a month ago, a mysterious object was seen hurtling through the solar system and later confirmed as an interstellar ...

Astronomers have caught a rare type of black hole in the act of devouring a star—an event that lit up the universe in X-rays.