The mystery of dark matter could be solved in as little as 10 seconds. When the next nearby supernova goes off, any gamma-ray ...

The Death Valley Dark Sky Festival is scheduled Feb. 21-23 with astronomy programs each night and educational presentations ...

For millions of years following the Big Bang, after the universe’s roiling soup of particles had cooled, the cosmos was a ...

HE0435-1223, a lensed quasar, is surrounded by four images created by a foreground galaxy, making it one of the five best lensed quasars discovered. Hubble's image of NGC 5793, a spiral galaxy 150 ...

If dark matter is discovered through one of these experiments or another that hasn’t yet been dreamed up, it could ...