Cosmologists are increasingly entertaining a radical possibility: that the cosmos might fold back on itself so that, on the ...

Nothing in our universe stands still: Earth orbits the sun, the sun circles the galaxy, and even galaxies are constantly on the move. So why is everything in space in motion? It all comes down to how ...

Might the universe we can observe be just half the tale, with a mirror universe moving in reverse through time filling out the narrative? A new and intriguing idea from scientists at the Perimeter ...