Black holes smashing together may churn dark matter "butter," scientists say.

When you hear "the dark web," you probably think of illegal, sordid activity, but that's not the whole picture. I don't ...

Here's an extensive darknet tutorial, where we explain how to access dark web safely. Learn how to enter the dark web ...

We may be more in the dark about dark matter than previously thought, according to a new analysis of distant galaxy clusters.

Dark chocolate often gets treated like a health food with a candy wrapper. That idea is partly true, and partly marketing.

New research from Consumer Reports shows that dark chocolate contains cadmium and lead, two heavy metals that can lead to health problems. Experts say it’s okay to eat dark chocolate this Valentine’s ...