Is dark matter real? While most experts agree that dark matter exists, there's still a lot we don't know. Dark matter is real, according to most experts. However, some scientists still debate if it is ...

Why didn’t the universe annihilate itself moments after the big bang? A new finding at Cern on the French-Swiss border brings us closer to answering this fundamental question about why matter ...

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Dark matter is an invisible substance that is said to bind the universe; scientists may have found new signs of it.

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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 ...

This episode is from WHRO’s Spotlight Earth series. Watch this video to learn about matter. In this Spotlight Earth episode, you will explore the fundamental building blocks of the universe, including ...

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%.

After decades of hunting, physicists still don’t know what makes up most of the universe’s matter. Now they need to cast a wider net. Underneath an Apennine massif, below the Jinping Mountains of ...

In recent years, a curious hypothetical particle called the axion, invented to address challenging problems with the strong nuclear force, has emerged as a leading candidate to explain dark matter.

Ordinary matter – basically, anything other than dark matter – makes up about 15% of all matter. But half of it has long been missing. Powerful bursts of radio waves emanating from 69 locations in the ...