Researchers have unveiled a new model for the universe’s birth that replaces cosmic inflation with gravitational waves as the ...

This controversial theory says the universe is subject to an ultimate, higher-order law that we can’t comprehend.

Why is the universe expanding at an ever-increasing rate? This is one of the most exciting yet unresolved questions in modern ...

On human timescales, the universe may as well be eternal. It’ll be here long after our species and our planet are gone, but ...

If the universe is expanding, then what is it expanding into, and what is it expanding from? Where's the edge of the universe ...