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Gravity

Gravity is the universal force of attraction acting between all matter. It is by far the weakest known force in nature and thus plays no role in determining the internal properties of everyday matter.

However, gravity is the most significant interaction between objects at the macroscopic scale, and it determines the motion of planets, stars, and galaxies. At Earth’s surface, the acceleration of gravity is about 9.8 meters per second.

Gravity’s effect on matter’s elusive twin is revealed

Physics
Down goes antimatter!

Smoking-gun evidence for modified gravity at low acceleration

Space
A new study reports conclusive evidence for the breakdown of standard gravity in the low acceleration limit.

A new image of a galaxy cluster revealing distant and dusty objects never seen before

Space
Webb spotlights gravitational arcs in ‘El Gordo’ galaxy cluster.

Passive gravitational mass and active gravitational mass are always equivalent- study

Physics
Despite doubts from quantum physicists: Einstein's theory of relativity reaffirmed.

Space travel weakens the immune system by altering gene expression

Biology
This may explain why astronauts appear more susceptible to infectious diseases while in space.

Physicists observed the Brazil nut effect in a mixture of charged colloidal particles

Science
Defying gravity.

Hubble discovers a double Quasar in the distant Universe

Space
They existed when the universe was just 3 billion years old.

Scientists reproduced a gravity field- 1,000 times stronger than Earth’s gravity

Space
The study overcomes the effects of Earth’s gravity, replicating conditions on other planets, stars.

Little ‘hurricanes’ can be used to study certain aspects of planet formation

Space
A method to constrain a planet’s mass or age.

Watching water droplets merge on the International Space Station

Science
If we want to analyze drops on Earth, we need to do it at a very small scale.

Study uncovered the massive quantum mysteries of black holes

Quantum Physics
Uncovering the massive quantum mysteries of black holes.

New puzzling discovery challenges Newton’s laws of gravity

Science
Astronomy: Observation puzzles researchers.
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