Descriptive set theorists study the niche mathematics of infinity. Now, they’ve shown that their problems can be rewritten in ...

Eight sites in central and southern Ohio comprise the Hopewell Ceremonial Earthworks, sprawling embankments built by little-known Indigenous tribes. Steam fog rises from mounds at Hopewell Culture ...

Here, I highlight some of the best vacations to consider, each offering a unique blend of relaxation, adventure, and ...

In the constellation Cygnus, a bright knot of stars seems to adorn one edge of a nearly perfect 20-light-year-wide circle, ...

How does Circle Magic enter the official Dungeons & Dragons rules without breaking the game? Here's the breakdown.

Crete’s sheer size can make deciding where to go a little daunting. This guide can help you decide which side of the ...

Sometimes, the right learning environment can change everything. For Courtney Irwin, that place was a youth development ...

Ancient Greek cartographers, from Anaximander to Ptolemy, turned myth and measurement into world maps, shaping latitude and ...

According to Lornezo, you should try “missionary with your hips elevated,” “doggy style with your chest down, on your back ...

In TODAY.com's Expert Tip of the Day, a trainer reveals what it really means to work your deep core and why it's important ...

Hannah Cairo is in the first year of her mathematics graduate program at the University of Maryland. Like her peers, she does research and is a TA on campus.

Forget rote memorization. Use these musical exercises to get the circle of fifths deep into your ear, brain, and fingers.