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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This “Atomic Cannon” Could Challenge Einstein’s Theory of Gravity

Gravity Seems Holographic. What Does That Mean for Reality?

What kills Schrödinger’s cat? Gravity may not be the answer

Scientists opened a sealed envelope after 10 years. Gravity still didn’t make sense

Scientists are about to test Einstein’s gravity with exotic matter

Scientists Mapped a Hidden Glacier Using Gravity

Einstein’s Gravity Just Passed a Strange New Quantum Test

Scientists observe Einstein’s gravity in the quantum world for the first time

Wild Experiment Reveals Quantum Objects Do Obey Gravity

'There is no conflict between quantum physics and gravity': Physicists prove Einstein's 'happiest thought' holds true at quantum scales

Scientists observe Einstein’s gravity in the quantum world

Milky Way's own gravity can mimic dark matter clues, stellar stream simulations suggest

Why constipation is common in astronauts: A new study identified gastrointestinal changes that occur shortly after the astronauts leave Earth and gravity behind.

Boiling Liquid Does Something in Near-Zero Gravity Even Scientists Didn't See Coming

There Might Be a Way to Observe Dark Matter Decaying Into Gravity Particles

The Gravity from Entropy theory offers new clues for reconciling gravity with the second law of thermodynamics - EurekAlert!

NASA is creating a fifth state of matter on the ISS, thanks to an upgrade to a mini-fridge-sized quantum lab: A new set of upgrades to the International Space Station’s Cold Atom Laboratory is allowing NASA to probe quantum mechanics at the coldest possible temperatures while in zero gravity

Random wobbles in time could finally solve gravity’s greatest mystery

The Quiet Conversation Between Muscle and Gravity, and What Happens When It Stops

NASA sent a FIFA World Cup 2026 ball to the ISS so astronauts can test their footwork in zero gravity (video)