gravity
Latest about gravity

Milky Way's rarest black hole may lurk behind 7 stars that 'shouldn't be there'
By Harry Baker published
Seven strangely-behaving stars in the Milky Way's Omega Centauri cluster may be under the influence of an extremely rare type of black hole, new research suggests.

Study finds black holes made from light are impossible — challenging Einstein's theory of relativity
By Andrey Feldman published
New theoretical research finds that it's impossible to form a black hole with the energy of light particles alone, poking a hole in Einstein's theory of general relativity.

Planet Nine: Is the search for this elusive world nearly over?
By Harry Baker published
Astronomers have been scouring the outer solar system for signs of a hypothetical ninth planet for almost a decade, without success. However, we may finally be on the cusp of finding it, experts say.

What is the 3-body problem, and is it really unsolvable?
By Skyler Ware published
The three-body problem is a physics conundrum that has boggled scientists since Isaac Newton's day. But what is it, why is it so hard to solve and is the sci-fi series of the same name really possible?

A new theory of quantum gravity could explain the biggest puzzle in cosmology, study suggests
By Andrey Feldman published
A new theory of quantum gravity, which attempts to unite quantum physics with Einstein's relativity, could help solve the puzzle of the universe's expansion, a theoretical paper suggests.

Does the Milky Way orbit anything?
By Skyler Ware published
Do galaxies, including our own Milky Way, orbit anything in the universe?

Why can't we see the far side of the moon?
By Skyler Ware published
Spacecraft have visited and photographed the far side of the moon, but why can't we see it from Earth?

How do cats land on their feet?
By Marlowe Starling published
Cats are masters of contortion — and the laws of physics — which helps them stick the landing more times than not.
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