The curious minds at What If examine overwriting Einstein’s theory of relativity with time travel, imagining paradoxes, ...

What if the dimension of time was no different from the three dimensions of space we live in? What if you could travel to the ...

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

Quantum physics paints a strange picture of the world, one filled with spooky connections, unsettling uncertainties ...

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

University of Miami physics professor Thomas Curtright sought Epstein's input and tried to meet with him in person, emails ...

The way time ticks forward in our universe has long stumped physicists. Now, a new set of tools from entangled atoms to black ...

The Patriots are practicing for the AFC Championship at Gillette Stadium, holding off on traveling to Denver until the day ...

In an effort to bring together the domains of gravity and quantum theory, Albert Einstein and Nathan Rosen proposed a ...

Wormholes are often imagined as tunnels through space or time—shortcuts across the universe. But this image rests on a misunderstanding of work by physicists Albert Einstein and Nathan Rosen.

A video of the gathering shows a rather depressing scene. Several platters of snacks are left completely full, while glasses of fancy champagne sit there ...