In the strange world of quantum mechanics, objects can exist in several states at once. This concept, called superposition, is one of the most puzzling features of quantum theory. A particle, for ...

The universe is a massive place, with galaxies well beyond our own. However, some also hypothesize that there may be more than one universe. The multiverse theory essentially suggests that our ...

Physicists have taken a bold step beyond Einstein's special theory of relativity, proposing an expansion of special relativity that includes observers moving faster than light. This fresh perspective ...

Gear-obsessed editors choose every product we review. We may earn commission if you buy from a link. Why Trust Us? Science’s best guess at how the universe came into being includes the Big Bang ...

Add Yahoo as a preferred source to see more of our stories on Google. Parallels in the physics of the universe and that of black holes have led some cosmologists to wonder if our universe could have ...

Given how unfathomably large the universe is, it is perhaps understandable that we haven’t yet cracked all its secrets. But there are actually some pretty basic features, ones we used to think we ...