The trouble started every day at around 3 p.m., after Cathy Higgins had spent five or six hours staring at an array of ...

Stunning discoveries and fresh breakthroughs in DNA analysis are changing our understanding of our own evolution and offering a new picture of the "other humans" that our ancestors met across ...

I've never had great luck with giveaways or sweepstakes, and frankly, I stopped participating in them years ago. On a fateful ...