An "unprecedented" toxic algae bloom is occurring along the coast of Southern California and poisoning marine animals, according to marine rescue experts.

In the past week, there have been more than 50 dead and dying dolphins found along the L.A. County coast. Experts say it's due to a neurotoxin called domoic acid.

If you’ve spent a lot of time outdoors in New England, you’ve likely crossed paths with, and probably stepped on, lichens.

We checked the labels of mass-produced popular grocery items and found the dyes in dozens of foods you may have in your pantry right now.

If you’ve spent a lot of time outdoors in New England, you’ve likely crossed paths with, and probably stepped on, lichens.

AUSTIN (KXAN) — Warmer weather in Central Texas usually means a few things: Bluebonnets start blooming, severe weather activity picks up, and algae pops up in waterways. If you’re a fan of ...

U.S. health officials on Tuesday said they would urge food makers to phase out petroleum-based artificial colors in the ...

Microfibers are plastic strings much thinner than human hair that get into waterways primarily from washing fabrics in ...

Gray whales, a signature of the Washington coast, are dying by the thousands, victims of declines in Arctic sea ice.