As the Arctic melts and people spend more time there, defining our relationship to sea ice becomes more necessary.

Sea levels along the United States coast are rising faster than they did in the past, and the change is not subtle.

A bumpy snailfish, Andean mouse opossum and ancient sea cow were just some of the many species described in 2025.

From the first sighting of a colossal squid in the wild to a seriously goofy octopus, 2025 delivered some astounding photos ...

Sentinel-6B satellite measurements show sea level changes across the North Atlantic, adding to decades of data used to track ...

The Salton Sea, California’s most polluted inland lake, has lost a third of its water in the last 25 years. New research has determined a decline in Colorado River flow is the reason for that ...

The deep sea is the oldest and largest biome on Earth. But only in recent decades have we been able to explore these dark and hidden depths, revealing an extraordinary diversity of habitats, from ...

The Wadden Sea is the largest unbroken system of intertidal sand and mud flats in the world. The site covers the Dutch Wadden Sea Conservation Area, the German Wadden Sea National Parks of Lower ...

There are six species of sea lions: The Galápagos sea lion, the California sea lion, the Australian sea lion, the South American sea lion, Steller’s or northern sea lion, and the Hooker’s, New Zealand ...

You've packed a beach bag and slipped into your swimsuit, and your brain is filled with happy thoughts of fun in the sun. You can't wait to dive into the ocean and feel the saltwater on your skin, ...

Sea buckthorn oil is a popular remedy that may provide several health benefits, including more radiant hair and skin and a lower risk of cancer, heart disease, and diabetes. Sea buckthorn oil has been ...

Sea lice bites can range from a nuisance in adults to the cause of nausea, fever, and more severe symptoms in children. While the rash typically goes away with time and isn’t contagious, you may wish ...