Astronomers have watched a mysterious cosmic object shoot out 1,652 blasts of energy over a short period of time. Though researchers are still stumped as to what caused the repeated eruptions, they ...

Astronomers have solved the decade-long mystery of how a bizarre cosmic object toggles rapidly between "high" and "low" energy states: by launching plasma cannonballs from its orbit. The object in ...

After watching a bizarre space object repeatedly explode over 1,600 times in fairly short order, astronomers are still at a loss as to what it actually is. The object is the source of a fast radio ...

A gamma-ray burst detected by NASA’s Swift satellite in April 2009 has been newly unveiled as a candidate for the most distant object in the universe. At an estimated distance of 13.14 billion ...

The enigmatic pulsar J1023 radically changes in brightness every few seconds. Astronomers may finally have an explanation. When you purchase through links on our site, we may earn an affiliate ...