It's time to discuss one of the perennial debates of the holiday season. Are real Christmas trees or their fake counterparts ...

With China's economy on the ropes and President-elect Donald Trump promising steep tariffs on imports, participants in a trade fair in Shanghai face uncertainty.

We get a rare up close look inside the Dutch company ASML, and its technology behind the most advanced microchips.

A few years ago, scientists cracked a murder mystery -- they figured out what's been killing Coho salmon in urban streams in the Pacific Northwest. The culprit: particles from tires.