New data from major dark-energy observatories suggest the universe may not expand forever after all. A Cornell physicist calculates that the cosmos is heading toward a dramatic reversal: after ...

The universe's expansion may actually have started to slow rather than accelerating at an ever-increasing rate as previously thought, a new study suggests. "Remarkable" findings published today in ...

Since childhood, we’ve been told gravity is the force that holds everything together — but what if that idea is incomplete, or even wrong? The Electric Universe Theory suggests that vast, invisible ...