gravity
Latest about gravity

Watch two black holes bend the daylights out of space-time in this trippy NASA visualization
By Mindy Weisberger published
A simulated binary system animation shows how extreme gravity warps two black holes locked in a mesmerizing "dance."

How long would it take to walk around the moon?
By Harry Baker published
Walking around the moon could be faster than we originally thought, but actually doing it would require some serious planning.

Spaceflight and long-distance swimming shrink the heart
By Yasemin Saplakoglu published
Scientists analyzed the hearts of retired astronaut Scott Kelly after he spent time in space and elite endurance swimmer Benoît Lecomte after he swam the Pacific Ocean.

Physicists measure the tiniest gravitational force ever
By Ben Turner published
The experiment could be a trial for many more even smaller ones probing the long-kept secrets of quantum scale gravity.

Lab-grown black hole analog behaves just like Stephen Hawking said it would
By Tim Childers published
Like mad scientists, researchers are creating miniature black holes in their laboratories. Their mission? To see if a mysterious form of radiation predicted by Stephen Hawking exists.

What is the cosmological constant?
By Adam Mann published
What we know about the history and properties of "Einstein's biggest mistake," the cosmological constant

'Spooky action at a distance' could create a nearly perfect clock
By Yasemin Saplakoglu published
Quantum entanglement could in theory lead to extremely precise clocks that can hunt for subtle disturbances in space-time.

'Bumblebee gravity' could explain why the universe is expanding so quickly
By Paul Sutter published
Bumblebee gravity could explain dark energy — if it's proven true.
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