Astronomers have stumbled upon yet another ghostly galaxy that appears to be devoid of dark matter, the elusive stuff that ...

Astronomers have spotted a distant planet shedding matter with each orbit around its host star, generating a comet-like tail ...

Just as Luke Skywalker watched two suns set from his sandy home planet Tatooine, a newly discovered planet called 2M1510 is ...

PSR J0311+1402 flashes every 41 seconds — quite slow for a pulsar. It could help bridge the gap between fast- and ...

Astronomers confirm a wandering black hole in our galaxy’s Sagittarius region using Hubble and Gaia microlensing data.

The school-bus-sized observatory launched on April 24, 1990 and overcame early setbacks to become one of the most ...

"The extent of the tail is gargantuan, stretching up to 9 million kilometers [5.6 million miles] long," said MIT astronomer ...

A surprisingly well-formed spiral galaxy has been spotted just a billion years after the Big Bang, challenging long-held ...

On a faraway planet, the James Webb Space Telescope has picked up signs of molecules that, on Earth, are produced only by ...

Astronomers have confirmed a wandering black hole, about seven times the mass of the Sun, 5,000 light-years from Earth.

We were doing the typical planet vetting, and I happened to spot this signal that appeared very unusual.” An orbiting ...

A loud bang and a bright green ball of light seen in the skies above Australia have left astronomers perplexed about the ...