NASA’s James Webb Space Telescope has taken a closer look at the famous Bullet Cluster—a giant space collision between two ...

What we saw in the DESI experiments, and now strengthened by our South Pole Telescope observations, is that dark energy is ...

NASA's James Webb Space Telescope recently zeroed in on the Bullet Cluster—delivering highly detailed images that show a ...

Dark Matter and Dark Energy. Read what astronomers are discovering about a gaping hole in the universe, how dark matter clumps contribute to galaxy formation and more. Space images.

Everything in space—from Earth and the sun to black holes—accounts for just 15% of all matter in the universe. The rest of ...

If dark matter is cold, then it can clump up and aggregate more easily than if it was zooming through the vacuum of space—which it would be if all dark matter was “hot” or made of lighter ...

Dark matter makes up a large portion of the universe, but we've never seen it. Here's what we know, what it might be, and why it could change everything.

In the ongoing science quest to observe dark matter, there’s a new method in town. Researchers from the University of Geneva and CERN said in a new preprint paper (not yet peer reviewed or ...

Dark matter — a poorly understood substance that does not emit, absorb or reflect light but exerts a clear gravitational influence on other matter — dominates the universe. Despite being more ...

To explain why dark matter particles haven't come up in any direct detection experiments, physicists have wondered if it may be a kind of particle known as an axion. Skip to main content.

The hunt for dark matter is shifting from particles to waves named after a laundry detergent. ... surrounded by a large copper canister cooled to one-tenth of a degree above absolute zero.

The universe is so much bigger than what people can see. Visible matter — the ground, the Sun, the screen you're reading this on — makes up only about 4 or 5 percent of our known universe.