What appeared to be a fireball may have been a decommissioned SpaceX satellite creating a fiery spectacle as it broke up above Earth's atmosphere.

flowering "zombie star" lurking in the remnant of a supernova that lit up Earth's skies more than 800 years ago. The "3D movie" shows that the remains of the stellar explosion are unusually wonky and ...

ELON Musk’s web of satellites makes it harder to detect dangerous near-Earth asteroids, scientists have warned. The number of ...

Some stars may transform into black holes without exploding into supernovae. Now, astronomers have finally spotted it as it happened.

A 3D map of our cosmic neighborhood has revealed hot and cold regions as well as an "escape tunnel" from our local bubble.

The temperature of elementary particles has been observed in the radioactive glow following the collision of two neutron ...

Democratic Rep. Andy Kim and Republican businessman Curtis Bashaw are running to succeed the convicted Robert Menendez.

A Russian rocket has blasted off successfully to carry a pair of Iranian satellites into orbit, a launch that reflected ...

A first-of-its-kind, animated map has revealed fresh secrets about a mysterious, flowering "zombie star" lurking in the remnant of a supernova that lit up ... and are still exploding at a constant ...

The temperature of elementary particles has been observed in the radioactive glow following the collision of two neutron stars and the birth of a black hole. This has, for the first time, made it ...