Gravity
Latest about Gravity
Da Vinci understood key aspect of gravity centuries before Einstein, lost sketches reveal
By Ben Turner published
Sketches found inside Leonardo da Vinci's sketchbooks, show that he had already grasped the essence of Einstein’s 1907 ‘Equivalence Principle’ centuries before the physicist.
Scientists reveal 'invisible' galaxy from the early universe, using space-time trick predicted by Einstein
By JoAnna Wendel published
Using the ALMA telescope in Chile and Einstein's theory of relativity, scientists observed a young galaxy in the early universe that is invisible in nearly every wavelength.
Physicists want to use gravitational waves to 'see' the beginning of time
By Andrey Feldman published
Gravitational waves are ripples in the fabric of space. Waves that originated in the early universe could carry important information about the phenomena that occurred there.
Something is wrong with Einstein's theory of gravity
By Kazuya Koyama, Levon Pogosian published
Albert Einstein’s theory of general relativity has been remarkably successful in describing the gravity of stars and planets, but it doesn’t seem to apply perfectly on all scales.
China builds 'artificial moon' for gravity experiment
By Ben Turner published
The test chamber will enable scientists to test technologies and structures on Earth before sending them to the moon.
'Tsunami' of gravitational waves sets record for most ever space-time ripples detected
By Ben Turner published
The waves allow for vital glimpses of objects that don't produce much light.
New gravitational wave detector picks up possible signal from the beginning of time
By Adam Mann published
Physicists turned on a new type of gravitational-wave sensor and saw two intriguing results, but they aren't yet ready to claim a discovery.
Traversable wormholes are possible under certain gravity conditions
By Paul Sutter published
Certain weird gravity conditions would make it possible to travel through a wormhole and back.
Why does gravity pull us down and not up?
By Mario Borunda published
Here's why the force of gravity pulls us down rather than up. The answer involves Einstein and the bendy realm of space-time.
Neutron star 'mountains' may be blocking our view of mysterious gravitational waves
By Harry Baker published
Scientists have used computer models to predict the size of minuscule deformations, or mountains, on the surfaces of neutron stars, which are responsible for causing gravitational waves as they spin.
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