General relativity describes gravitation in a geometrical framework generalizing special relativity and classical mechanics. This term includes theoretical studies of gravity, experimental studies of ...

For more than a century, gravity has been the stubborn outlier in physics, resisting every attempt to merge Einstein’s smooth ...

Learn how researchers used Einstein’s theory of general relativity to create the most accurate simulations to date. Think of a black hole, and you might imagine a literal dark hole, but contrary to ...

CAPE CANAVERAL SPACE FORCE STATION — Despite the number of struggles Relativity Space has faced trying to get the world’s first 3D-printed rocket off the ground, it finally succeeded Wednesday night, ...

Time is supposed to be the most reliable thing in our lives, ticking forward at a steady pace while everything else changes.

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Artemis 2 will be the first mission to carry humans to the moon's vicinity since 1972. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Artemis 2 ...

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