Gravity

The American Petroleum Institute gravity, or API gravity, is a measure of how heavy or light a petroleum liquid is compared to water: if its API gravity is greater than 10, it is lighter and floats on water; if less than 10, it is heavier and sinks.

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A new measurement reveals gravity is still hard to pin down

Gravity follows Newton and Einstein’s rules, even at cosmic scales - EurekAlert!

Physicists entangle two moving helium atoms for the first time, validating 'spooky' quantum theory: scientists have observed quantum entanglement in the momentum of massive particles. The result could help physicists probe the relationship between quantum mechanics and gravity

This new “phonon laser” could measure gravity more precisely than ever before

Scientists build low-cost microscope to study living cells in zero gravity - EurekAlert!

Does dark matter actually exist? New theory says it could be gravity behaving strangely

Scientists discover hidden geometry that bends electrons like gravity

Mars's gravity may help control Earth’s cycle of ice ages

A new theory of gravity could explain cosmic acceleration without dark energy

‘Crush’ explores how gravity shapes life as we know it

Einstein in a Chip: Hidden Geometry Bends Electrons Like Gravity

Laser light and the quantum nature of gravity - EurekAlert!

Making LAZY plants stand up: Research reveals new pathway plants use to detect gravity - EurekAlert!

This 1.4kg Soft Suit Simulates Earth's Gravity to Stop Muscle Loss in Space

Dark matter obeys gravity after all — could that rule out a 5th fundamental force in the universe?

Chinese astronauts enjoy roasted chicken wings and beef with their new zero gravity "space oven" (link in Chinese with video)

Dark matter does not defy gravity - EurekAlert!

Muscle tissue from a 3D printer—produced in zero gravity

Muscle tissue from a 3D printer – produced in zero gravity - EurekAlert!

Jupiter’s Gravity May Explain a 4.5-Billion-Year-Old Meteorite Mystery