Smooth filaments stretching for many light-years, seen by the powerful space telescope, could indicate what the right "recipe" is for dark matter.

The James Webb Space Telescope is starting to turn a long‑standing cosmic mystery into something that looks almost tangible.

The General AntiParticle Spectrometer experiment is suspended from a football-field-sized balloon approximately 24 miles ...

Now physicists from the University of Washington are taking a big swing at answering that question. All matter exerts gravitational force. The more mass the object has, the greater the force. Yet, a ...

According to a Nature Astronomy report, those unusual elongated shapes of some of the earlier galaxies JWST will have seen may be tied to how dark matter moves. But because dark matter is invisible to ...

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: ...

At the center of our galaxy, there’s a mysterious, diffuse glow given off by gamma rays — powerful radiation usually emitted by high-energy objects such as rapidly rotating or exploding stars. NASA’s ...

Much of the universe's regular "baryonic" matter is spread through intergalactic space and in diffuse halos around galaxies, researchers proposed after studying the behavior of fast radio bursts ...

A mysterious substance rules the present-day universe. New research suggests that it may have been born even before our cosmos as we know it, and that if it does eventually leave the cosmic scene, it ...