Dark energy may be the most mysterious substance ever proposed, but many scientists are certain it exists. Why?

A year-end look at the energy stories that will shape 2026—from AI-driven power demand to clean energy, tariffs, and the ...

When it comes to understanding the universe, what we know is only a sliver of the whole picture.

We may now have the sharpest-ever measurements of the dark side of our universe. Here's what that means for science. Monisha Ravisetti was a science writer at CNET. She covered climate change, space ...

Only 31 percent of the universe is made up of matter, scientists have discovered, with the rest being made up of dark energy. Previous models and observations of the universe have estimated that the ...

New research puts forward compelling new evidence that dark matter interacts with cosmic "ghost particles" called neutrinos.

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. It’s an exhilarating and sobering thought: All the planets ...

Matter launched to the public in 2022, promising a streamlined way to connect all your smart devices. Since its debut, the Connectivity Standards Alliance has continued to churn out updates to the ...

One of the most interesting and important questions in cosmology is, 'How much matter exists in the universe?' An international team has now succeeded in measuring the total amount of matter for the ...

In the search to understand how the universe came to be, a new theory is rewriting the script. Instead of one massive, fiery birth like the Big Bang, this idea suggests the cosmos has been growing in ...

According to the Big Bang theory, normal matter composed of protons, neutrons, and electrons should account for roughly 5% of ...