There have been rare observations of puffins using sticks in a way that may indicate tool use, a behavior not previously documented in this species. Using a stick once thought to be just for nest ...

Experts say hackers are preying on your personal data in more sophisticated ways than ever —and you are at your most vulnerable at the airport and other public spaces. Here’s how to stay safe. Is the ...

Today's smartphones make easy work of directions and route guidance, but that doesn't mean you need to ditch your dedicated ...

There is a social cost if you use AI for help at work, a new study finds. But there are ways to deal with that. Jon covers artificial intelligence. He previously led CNET's home energy and utilities ...