#astronomy / Page 9

Space snowballs can trick the experts.

Sixteen million light-years away, in the constellation Canes Venatici, sits a spiral galaxy that refuses to look ordinary. NASA's Chandra X-ray Observatory recently delivered a composite view of Messier 94, also catalogued as NGC 4736, that layers .. ...

A giant planet had been hiding inside one of astronomy's most closely studied planetary systems, concealed by a bright disk of cosmic dust. Webb revealed Beta Pictoris d through atmospheric traces of carbon monoxide, water vapor, and methane, ...

The Oh-My-God particle hit Earth in 1991 with a baseball's energy in one nucleus, 40 million times any accelerator.

Object orbits a brown dwarf, which circles another star, confusing the cosmic taxonomy ...

The object orbits a brown dwarf that orbits a star, and astronomers aren't sure if it's a planet, a moon -- or something else entirely.

And it's not orbiting a planet.

From auroras and nebulas to deep sky star clusters, the competition features submissions from amateur astronomers and photographers from Australia and around the world ...

An amateur astronomer has discovered a 390-million-year-old meteorite crater on Google Maps.

/PRNewswire/ -- For decades, astronomers have cast galaxy mergers as the universe's ultimate relationship drama: two galaxies collide, chaos erupts, black ...