For more than a decade, there's been something fishy going on in a lake that straddles Vermont and the province of Quebec. It involves cancer, a kind of catfish, and — possibly — clues about how tumors metastasize.

(Image credit: Joshua Brown)

By altering the definition of the word "harm" as used by the Endangered Species Act, the Trump administration may limit how wildlife is protected in the United States. Environmental groups are suing.

(Image credit: Jared Lloyd)

Inspired by diving birds, roboticists built the lightweight machines to move from water to air. The design may one day lead to robots that can monitor and sample the coastal ocean.

(Image credit: Raphael Zufferey)

Get ready for a biology lesson. Certain plants have extra sets of chromosomes. And it turns out, it's a useful trait for a species facing a dramatic event like climate change.

(Image credit: Wolfgang Kaehler/LightRocket)