The newly discovered "blazar," which has a mass equal to 700 million suns, is the oldest of its kind ever seen and changes what we know about the early universe.

One idea they propose is to look for planets and asteroids that captured the mini black ... a primordial black hole travelling at high speed were to zip through an object here on Earth.

Primordial black holes (PBHs) could be tunneling through ... Physicists propose that PBHs may have passed through Earth, leaving minuscule tunnels smaller than human hair. While harmless to ...

New details have been discovered about M87*, the first black hole ever photographed, revealing its plasma, its brightness and ...