The concept gained mainstream traction after American astrophysicist Neil deGrasse Tyson told various outlets that if ...

The universe may actually be curved, like a giant inflated balloon, a new study claims. A study published on Monday in the journal Nature Astronomy examines data from the cosmic microwave background ...

Everything we think we know about the shape of the universe could be wrong. Instead of being flat like a bedsheet, our universe may be curved, like a massive, inflated balloon, according to a new ...

If you were inside a spaceship traveling in a straight line out of our solar system, where would you end up? Would you keep getting farther from home, or would you slowly loop around and end up where ...

Quantum mechanics and general relativity are the two pinnacles of 20th-century physics. In their respective fields, scientists have demonstrated time and time again how correct these theories are.

The universe may actually be curved, like a giant inflated balloon, a new study claims. A study published on Monday in the journal Nature Astronomy examines data from the cosmic microwave background ...

Most people think of space as a flat sheet: You travel in one direction, and you end up far from your starting point. But a new paper suggests that the universe may in fact be spherical: If you travel ...

It turns out that time travel into the past is actually relatively easy. All you need to do is make the universe rotate. The famous mathematician Kurt Gödel was a friend and neighbor of Albert ...

Cosmologists call this idea the “closed universe.” It’s been around for a while, but it doesn’t fit with existing theories of how the universe works. So it’s been largely rejected in favor of a “flat ...