Deep in the limestone caves of southern China lies a discovery that challenged everything we thought we knew about human ...

Explore daily insights on the USA TODAY crossword puzzle by Sally Hoelscher. Uncover expert takes and answers in our crossword blog.

Sandy Dusel works on a 500-piece puzzle with her team, Barely Holding It Together, during the Puzzle Palooza competition at ...

In the new study, Zollikofer and his team examined several teeth that were uncovered over 20 years ago in the Caucasus ...