Mathematical quirks of our universe have led some cosmologists to wonder whether the cosmos was actually born in a black hole. Parallels in the physics of the universe and that of black holes have led ...

In the season 2 episode "Mirror, Mirror," Star Trek perfected the alternate universe trope long before Hollywood's multiverse ...

Astronomers have revealed a new type of cosmic object called Cloud-9 — a dim, starless gas cloud anchored by a massive dark ...

The Gathering may be quietly redefining the meaning of “canon” in its 33rd year. But what does Magic look like as that ...

What if there are other universes, just like ours? With an infinite number of Earths? With uncountable versions of you? And ...