A 55-million-year-old predatory fish resurfaces after decades lost in notes and reveals ancient seas teeming with hunters.

The best fish for brain health provide healthy omega-3 fats, antioxidants, and nutrients like vitamin D that support memory and brain function.

The baby fish, which is roughly the size of a pea, was raised from a surprise egg mass discovered at Shedd Aquarium last fall. Experts say the achievement could help reduce pressure on wild frogfish ...

Vitamin D is essential for immune health, calcium absorption, and inflammation control. Fatty fish like salmon, rainbow trout, and swordfish deliver significantly more vitamin D per serving than eggs.

A study reveals how the asexual Amazon molly defies evolutionary expectations — plus, evidence of what may be powering superluminous supernovae.

Medically reviewed by Jonathan Purtell, RDN Fatty fish, including salmon, herring, and sardines, are excellent sources of omega-3 fatty acids, essential fats crucial for maintaining heart and brain ...

Early spring is a very special time in the Pacific Northwest, especially off the coast of Vancouver Island, Canada. Just a short drive away from my home on the island’s shores, one of the greatest ...

When an Amazon molly says she doesn't need a man, believe her. Every single one of these small fish, found in freshwater streams in Mexico and Southern Texas, is female, and reproduces exclusively ...

As scientists work to understand what makes Green Bay unique, their findings could aid whitefish recovery efforts throughout the Great Lakes. Michigan biologists, for example, have drawn inspiration ...

At least 1 in 4 licensed fishing trips lose catches — and profits — to sharks in Hawaiian waters. Scientists are developing chemical repellants and magnetic fields as deterrents.

Human activity is making the underwater world increasingly noisy. Ph.D. candidate Fien Demuynck researched how wind farms affect fish and how to minimize any negative impact. "We don't want animals to ...

Under the Arctic sea ice, fish and plankton live in complete darkness, even in midsummer. Ice floes stop the sun's rays, especially if they are covered by snow. As the ocean heats up, the sea ice ...