Here’s what we know (and don’t know) about how dangerous PFAS chemicals travel ocean currents and harm wildlife — and what that could mean for humans.

More frequent, longer-lasting blooms can harm both wildlife and human health — and even kill. Can we learn to predict and prevent them?

A new study took a deep dive into critical aspects of ocean life to identify the areas of the high seas most worthy of conservation effort.

A historic international treaty to protect marine biodiversity is currently being negotiated, but will it be strong enough to create reserves and boost conservation efforts?

Diseases can cause animal populations to decline or even go extinct. And they’re often worsened by environmental threats caused by people.

We know a lot more now about the ecology of the Gulf of Mexico and the risks of deep-water drilling, but that doesn’t mean we’re any safer.

Just because we’re all self-isolated doesn’t mean we have to isolate ourselves from nature.

From the mountains of Ethiopia to the ice floes of the Arctic, numerous species could be pushed to the brink. Here’s how.

Manatee deaths from watercraft strikes have doubled in the past five years. But that’s not the only threat they face.

No whale hunts in Iceland last year were just one sign of the public's fading appetite for whale meat.