Two mathematicians have proved that a straightforward question—how hard is it to untie a knot?—has a complicated answer.

Scientists Studied 'SuperAgers' For 25 Years And Found That They All Have This 1 Habit In Common Chris Hemsworth, Alzheimer's ...

"Bird theory," a hypothetical making the rounds on social media, is being used to put relationships to the test. Here's what it means.

The bird theory test that couples are taking and sharing on social media has a solid basis in relationship theory. Find out ...

One of the latest relationship tests to go viral is the “bird theory,” racking up millions of views on social media. It’s ...

"Look, a bird!" - a mundane sentence that's currently becoming a viral relationship test on TikTok. The so-called "Bird ...

A century ago, a star in Andromeda named V1 launched a revolution in astronomy, revealing its true immensity and the origin ...

I'm a Fitness & Nutrition writer for CNET who enjoys reviewing the latest fitness gadgets, testing out activewear and sneakers, as well as debunking wellness myths. On my spare time I enjoy cooking ...