The annual Geminids meteor shower will peak at a rate of up to 120 meteors per hour this weekend, offering a stunning display ...

ORLANDO, Fla. — Government and industry analysts have identified the refueling of satellites in geostationary orbit as one of ...

Scientists detect a 20-day wobble from a star-shredding black hole, confirming spacetime twisting predicted by Einstein.

A storied NASA chronograph returns with solar tech, modern durability and a newly slashed price that pushes this reissue into ...

The longest gamma-ray burst ever observed has UNC Chapel Hill astronomers questioning the very nature of these cosmic ...

A team of astronomers including George Washington University physics Ph.D. student Eliza Neights recorded an extraordinary ...

The comet is the third object ever confirmed to have entered our cosmic neighborhood from elsewhere in the galaxy. Space ...

A faint, ancient flash of light detected by the James Webb Space Telescope (JWST) has broken the record for the most distant ...

A seven-hour gamma-ray burst, GRB 250702B, stuns astronomers and hints at powerful new cosmic engines still unknown to science.

Astronomers have spotted the longest gamma-ray burst ever seen, a cosmic explosion that lasted seven hours — and they ...

WASHINGTON — One of the best and brightest celestial displays of the year is about to peak this weekend. The Geminids, an ...

Astronomers have sighted the oldest known stellar explosion, dating back to when the universe was less than a billion years ...