In recent years, astronomers have become increasingly interested in a theoretical particle known as the axion, which was ...

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

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 about 24 miles above the ...

A new study from Tel Aviv University has predicted, for the first time, the groundbreaking results that can be obtained from detecting radio waves coming to us from the early Universe. The findings ...

So dark matter doesn't absorb, reflect, or emit any light. While dark matter is invisible, it does have some things in common with ordinary matter: It takes up space and it holds mass. Because of this ...

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 ...

Astronomers got their first hints that the universe is filled with some invisible, mysterious, massive substance back in the 1930’s—something that must be there and holding things together ...

Normal matter – which makes up everything we see and touch – isn’t the only type of matter present in the universe.

This weekend, the Adler Planetarium is taking visitors on two fascinating journeys — one exploring the science and mystery of dark matter, and another uncovering the historic connection between ...

Does dark matter follow the same laws as ordinary matter? The mystery of this invisible and hypothetical component of our Universe — which neither emits nor reflects light — remains unsolved. A team ...

But the Big Bang theory predicts that about 5% of the universe's contents should be atoms made of protons, neutrons and ...