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 ...

Last year’s reports that the BICEP2 telescope had uncovered evidence for cosmic inflation turned out to be a false alarm, but researchers in the field haven’t given up. Matthew R Francis describes how ...

The universe has a habit of making us feel spectacularly insignificant, but some discoveries take this to an entirely new level. We’re talking about cosmic structures so vast that they shouldn’t exist ...