A new research paper reframes the simulation hypothesis, asking whether reality could be simulated and what science can test.

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 ...

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 ...

According to the theory, our reality is encoded on the boundary of a black hole within a much larger universe.

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 ...

When you buy through links on our articles, Future and its syndication partners may earn a commission. Conceptual illustration depicting matter transitioning from a black hole to a white hole. | ...

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 ...