A new software package detailed by Chinese scientists promises to tell what time it is on the moon, accounting for effects of ...

Einstein’s general theory of relativity was confirmed one hundred years ago today. Go to take a theatrical journey with physicist Brian Greene and explore this discovery in light falls on PBS. Hank ...

Do you know what connects Edwin Hubble’s theory for an expanding universe and Albert Einstein’s cosmological constant? The ...

Our understanding of the universe may be completely wrong.

Wormholes are often imagined as tunnels through space or time—shortcuts across the universe. But this image rests on a ...

Einstein’s claim that the speed of light is constant has survived more than a century of scrutiny—but scientists are still daring to test it. Some theories of quantum gravity suggest light might ...

The Clearest Signal Yet Detected The event, dubbed GW250114, became known in January when researchers spotted it with the ...

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

Whence is this creation? Gods came afterwards, with the creation of this universe. Whence all creation had its origin, the creator, whether he fashioned it or not, the creator, ...

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