After almost a century of speculation, proposals and searches for dark matter, physicists now know that it currently ...

Researchers have found that there's something highly unusual about the Milky Way, setting it apart from other galaxies.

The Hubble Space Telescope has been used to study NGC 1052-DF2 — a galaxy that is lacking dark matter. Credit: NASA's Goddard ...

Determining the expansion rate of the universe, the "Hubble constant," shapes our understanding of the cosmos, its age, and its fate.

New images show the rapidly rotating pulsar of the "Guitar Nebula" shooting out a gigantic cosmic plume of plasma, X-rays and ...

At a singularity, the laws of physics as we know them suffer a complete breakdown. So such objects really shouldn’t exist.

The James Webb Space Telescope may have broken another of its own records, finding potentially five of the earliest and most distant galaxies ever seen.

More than 99% of Americans live under skies polluted by light. But dark skies at the Grand Canyon and more than 145 other ...

What does dark energy have to do with proliferation of life in the universe? The answer is written in the stars, according to ...

But they can't see it and they don't know where it comes from, so they call it dark energy.It is so vast it is thought to ...

Data collected by NASA’s James Webb Space Telescope is in conflict with predictions based on the hypothesis of dark matter ...

Researchers have discovered three ultra-massive galaxies from the universe's first billion years, challenging existing models of star formation. These galaxies, identified with the James Webb Space ...