During the early days of "The Big Bang Theory," Jim Parsons lent his voice to a villainous character from a long-forgotten ...

Over its 12-season run, The Big Bang Theory evolved into one of television's great pop-culture crossroads. What began as a ...

The Big Bang Theory has finally come to an end, and it left all of the characters at a good place. The episode revolved ...

Johnny Galecki faced a surprising medical emergency on the set of The Big Bang Theory that left the cast and crew stunned.

Like stretch marks left on skin that expanded too quickly or cracks embedded in freezing ice, cosmic strings are artifacts of ...

The show Georgie & Mandy's First Marriage's fate was at the center of fan speculation, and now the show's official Instagram ...

We experience the flow of time because it’s a natural outcome of the basic laws of physics. But we may need to build a whole new model to account for gravity’s influence.

Dark matter, the invisible substance that shapes the Universe, may have had a far more dramatic beginning than scientists once believed.

Scientists are exploring the possibility of a looped universe, where space folds back on itself like a hall of mirrors. New ...

"This is a structure we've never seen before, so it could be a new class of dark object." ...

Cosmology and quantum physics both offer tantalizing possibilities that we inhabit just one reality among many. But testing ...

Kaley Cuoco dropped a ten-ton hint that we might see Penny in HBO Max's "The Big Bang Theory" spinoff, Stuart Fails to Save ...