Mathematical evidence indicates that our universe is flat, but it could be infinitely big, as well. You can figure out if an ...

Small companion galaxies around our neighboring Andromeda galaxy appear to stretch and point toward Earth in a fascinating ...

Astronomers capture the universe’s brightest era, revealing when galaxies like the Milky Way first formed and began to shine.

It appears that we live on the knife-edge, where only the narrowest combination of values for the fundamental constants allow ...

Abell S1063 is so massive that the light from distant galaxies bends around it, allowing it to act as a magnifying glass to ...

A mysterious black hole is pointing at Earth sending an intense ... This would have sent energy shooting through the universe and straight towards Earth. But the light came from incredibly far ...

Black holes are places in the universe where gravity ... new theory suggests So we can rule out the possibility that a black hole swallowed Earth at some point in its history; it would have ...

In a universe ... ruled out, physicists report in the April 26 Physical Review Letters. On a shape with boring, or trivial topology, any closed path you draw can be shrunk down to a point.