Could dark matter be made of black holes from a different universe?
The black holes could be relics from a time before the Big Bang.
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The universe is less uniform than we thought – cosmology may need a radical rethink
New telescopes are challenging the idea that the cosmic web fades into a uniform, directionless distribution. It may be closer to a tangled yarn than a misty fog.
Dark matter: our new experiment aims to turn the ghostly substance into actual light
An exciting new experiment is being set up at Yale university in the US.
Gravitational distortion of time helps tell modified gravity apart from a dark force
The gravitational field can affect space and time: the stronger gravity is, the slower time moves. This prediction of General Relativity can be used to reveal hidden forces acting on dark matter.
The earliest galaxies formed amazingly fast after the Big Bang. Do they break the universe or change its age?
Some of the earliest galaxies found with JWST are also the brightest. That’s a problem for our ideas about the universe.
How we proved Einstein right on a galactic scale – and what it means for dark energy and dark matter
Exactly 99 years after Einstein’s theory of general relativity was proven right in our own solar system, scientists show that it also holds true for entire galaxies.
Filaments that bind galaxies together illuminated by a quasar
According to cosmologists, galaxies are joined together by filaments, quite literally. These filaments form the cosmic web and are made of mostly dark matter, many stars and some gas. Observing these filaments…
The Euclid spacecraft will transform how we view the ‘dark universe’
A spacecraft set to launch this year will throw a spotlight on the mysterious ‘dark side’ of the universe.
Shape of the universe: could it be curved, not flat?
A study has suggested that the universe is curved like a sphere rather than flat, which may unleash a major crisis in cosmology.
Most normal matter in the universe isn’t found in planets, stars or galaxies – an astronomer explains where it’s distributed
Most of the universe is made up of dark matter and dark energy. The majority of everything else is dispersed throughout space as tiny particles.
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