While Jeff Bezos spent his holidays jetting from Aspen to his yacht on St. Barths, Amazon workers faced grueling work ...

Plus: How the Pentagon is responding to drones near military bases and how rapists draw lighter sentences when DNA test ...

Amazon uses giveaways for perfect attendance, gingerbread house contests, and incentive pay to keep employees showing up for work during the holiday rush.

Twins are pretty rare, accounting for just 3% of births in the U.S. these days. But new research shows that for primates 60 million years ago, giving birth to twins was the norm.

Russia and other hostile states have become increasingly brazen in adopting “gray zone” attacks against Europe and the United States, leaving defense officials with a dilemma: How to respond ...