Marvel fans are debating the franchise's latest example of time travel, seen in Black Panther spin-off Eyes of Wakanda, and discussing whether it breaks the MCU's own rules set forth in Avengers: ...

Doomsday theory shows how Endgame hurt the multiverse despite the heroes' victory against Thanos, leading to many deaths.

Whether space-time exists should be neither controversial nor even conceptually challenging, given the definitions of "space-time," "events" and "instants." The idea that space-time exists is no more ...

If traveling into the past is possible, one way to do it might be sending people through tunnels in space. by raggio5 via Pixabay Have you ever dreamed of traveling through time, like characters do in ...

Fragments of energy may be the fundamental building blocks of the universe. The theory combines the ideas of particles and waves into a concentration of energy that flows throughout space and time.

Einstein’s Theory of General Relativity, an immensely important update to Newton's Law of Universal Gravitation, is currently ...