Since Donald Trump returned to office, experiments with a sea creature have taken on an unexpected connection to humans.

An influx of salt from both land and sea and a warming world are condemning the world's rivers, streams and estuaries to a ...

Although there are many different kinds of sea slugs, only some can photosynthesize. Even beyond sea slugs, the Elysia ...

Washing up on our shores this week, we found small patches of fresh sargassum seaweed, large lightning whelks—which happen to ...

As climate change accelerates, finding effective solutions that deliver outsized impact becomes increasingly crucial. Now, ...

floats at the surface of the water on its back, using currents and wind to carry it across the ocean. Like many other nudibranchs, the sea swallow harnesses the venom of its prey. But this small slug ...