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In the '70s, Dr. Herbert Needleman made a discovery that changed how people think about lead. His work led to a ban on lead in gasoline. But as seen in Flint, Mich., lead poisoning is still a concern.

Senate Republicans are bracing for down-ballot losses that are likely to cost the party their Senate majority this year.

Cary Fowler, senior adviser to the Global Crop Diversity Trust, talks about a giant vault of millions of seeds stored away in an icy mountain in Norway. Fowler is the author of Seeds on Ice.

A new tsunami survival option has come to the Pacific Northwest coast. It involves climbing into a spherical aluminum pod for what is sure to be the...

California boasts one of the lowest rates of tobacco smoking in the nation. Researchers worry that pot smoking will lead the way to cigarette smoking.

If Donald Trump continues personally tweeting as president it will be an extension of commanders in chief going around the media. Though, it may also be unorthodox.

Antarctica's Larsen C ice shelf is about to lose an iceberg the size of Delaware. Scientists gathering in the U.K. are scratching their heads about why it's cracking off.

Crops like radishes, jicama and cilantro will soon be grown close to the Strip, so restaurants will have immediate access to fresh ingredients, instead of having to wait for trucks from California.

A draft presidential order that could open the door to reviving "black sites" might be as much political messaging as a true plan.

A temporary freeze on grants and a halt on communications at the U.S. Environmental Protection Agency has left Northwest tribes, state agencies and nonprofits uncertain about the future.