In some ways, a wormhole might look like a black hole. And the wormhole would look like a sphere, not a hole. Einstein's theory of general relativity allows for the possibility of wormholes, but there ...

Ultra Wormholes are the primary way you encounter Ultra Beasts in Pokémon Go. Ultra Beasts are unique extradimensional Pokémon first introduced in Pokémon Sun and Moon, and with how they work in ...

Wormholes are often imagined as tunnels through space or time—shortcuts across the universe. But this image rests on a misunderstanding of work by physicists Albert Einstein and Nathan Rosen. In 1935, ...

For obvious reasons, we do not know what the inside of a black hole looks like. But thanks to theoretical physics, we can ask what the inside should look like if Einstein's theory of gravity and the ...

Forbes contributors publish independent expert analyses and insights. Monica is an entertainment reporter covering TV, film, and music. Warning: Spoilers ahead for Stranger Things Season 5, Volume 2.

Imagine two towns on two opposite sides of a mountain. People from these towns would probably have to travel all the way around the mountain to visit one another. But, if they wanted to get there ...