The time-lapse footage was captured by NASA astronaut Jonny Kim. NASA astronaut Jonny Kim has posted his first time-lapse ...

Combining the way that massive galaxies and galaxy clusters bend space and magnify our view of the distant universe with ...

Astronomers have discovered a "jellyfish" galaxy whose unusual shape and internal mechanisms—including distinctive "bunny ...

A computer simulation shows how two neutron stars of unequal mass merge, form a black hole and spit out a jet of high energy matter.