Wormholes, theoretical passages through space-time, have captivated scientists and science fiction enthusiasts alike for decades. With the potential to connect distant regions of the universe, ...

A free-floating planet drifting through space is being closely followed by scientists who are managing to find out more about its mass and direction. Scientists have known about this and other rogue ...

"If our solar system is indeed moving this fast, we need to question fundamental assumptions about the large-scale structure of the universe." When you purchase through links on our site, we may earn ...

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 ...

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, ...

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