The Drake Equation helps scientists estimate the odds of finding intelligent alien civilizations. It’s an age-old question: Do aliens exist? And what are the odds we’ll make contact? A famous ...

An astrophysicist explains what wormholes are and how these theoretical space-time tunnels have popped up in the solutions to ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." Whether it’s a medicine that has saved countless lives or an equation that helped propel the evolution of ...

For 90 years, physicists have tried to solve the equations that constitute Albert Einstein’s theory of general relativity — the concept that matter, space and time are intertwined. But some of ...