High-resolution images may help scientists understand the ‘gravitational scaffolding into which everything else falls and is ...

Dark matter doesn't absorb or give off light so scientists can't study it directly. But they can observe how its gravity warps and bends the star stuff around it.

Our universe is vast, filled with galaxies stretching in every direction as far as telescopes can see. Some scientists estimate there could be as many as two trillion galaxies in the observable ...

The broadest planned survey by NASA's upcoming Nancy Grace Roman Space Telescope will reveal hundreds of millions of galaxies scattered across the ...

A new high-resolution map of distant galaxies may help scientists understand the mysterious dark matter holding the universe together.

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Alexey A Petrov receives funding from the US Department of Energy. Scientists working with the James Webb Space Telescope discovered three unusual astronomical objects in early 2025, which may be ...

Dark matter makes up most of the mass in galaxies and galaxy clusters. In fact, scientists estimate that ordinary matter makes up only about 5% of the universe, while dark matter makes up about 27%.

Black holes are eaters of all things, even radiation. But what if their rapacious appetites had an unexpected side effect? A new study published in Physical Review Letters suggests that black holes ...

The universe is packed with riddles, but few are as stubborn or as fascinating as dark matter. First proposed in 1933 by astronomer Fritz Zwicky, this elusive substance refuses to play by the rules: ...

NEW YORK (AP) — A new high-resolution map of distant galaxies may help scientists understand a mysterious invisible substance that helps hold the universe together. The ordinary matter all around us — ...