While parallel universes are a staple of science fiction, there are some real scientific theories to support them. But if parallel universes do exist, could we ever travel to them? It certainly wouldn ...

The gravitational waves actually stretch and compress space-time itself as they travel through the universe,” said Oregon State University astrophysicist Jeff Hazboun, a member of the scientific ...

Neutrinos are among the universe's most elusive particles ... or oscillate — into different flavors as they travel through space, even without interacting with other particles.