By Spoorthy Raman Rhythmic clicks, grunts and roars fill the Año Nuevo Island Reserve in California, home to a large breeding ...

Because this is also where the seals feed, seals whose foraging success is tracked can provide a previously impossible way to measure the availability of fish populations across a vast ocean.

Deep-sea fish adapt to some of the most extreme conditions on Earth. New research analyzing their evolution finds the same ...

To help ring in the spring steelhead season, we opened up one of the most controversial conversations within the steelhead ...

Scientists found a “large”-eyed sea creature with “canine-like” teeth on reefs in the South Pacific Ocean and discovered a new species. Photo from Getty Images / iStockphoto Near an island ...

The iguanas' 8,000-kilometer trip — one-fifth of the Earth’s circumference — is the longest made by a flightless land vertebrate.

A thin stretch of the eastern Pacific Ocean has been getting colder for the past 30 years, defying the broad global trend and baffling scientists. The surprising and rapid rise in ocean ...

Newborn fish are mistaking tiny bits of trash for food. If they die, there’ll be fewer big fish—and that could rattle the food chain. marine-plastic-ocean-fish-microplasticThe naturally oily ...

Fears are being raised that Pacific saury, a seasonal specialty in Japan in autumn, will continue to shrink in size due to climate change that is depriving the fish of their primary food resource.