Rising water temperatures in the Columbia River Basin are raising questions about whether fishery managers must take new steps to save the imperiled fish. A persistent heat wave gripping parts of ...

When the drug clobazam accumulates in Atlantic salmon's brains, migrating juvenile fish reach the ocean sooner, a new study found. A juvenile salmon is shown in May 2019. - Jörgen Wiklund Hatched in ...

AMHERST — Most birds and mammals rely on their eyes to sense daylight, but a new study finds fish also directly “see” daylight with the pituitary gland in their brains. A team of researchers led by ...

In the largest study of its kind to date, a team of international researchers has investigated how pharmaceutical pollution affects the behaviour and migration of Atlantic salmon. The study, led by ...

Faster migrations could mean arriving in the ocean at the wrong time, or exposing salmon to dangers they’d normally avoid.

The Kellogg Dam in Milwaukie, Ore., was built in 1857 to power a flour mill. Today, the dam is one of the ODFW's priority barriers, blocking the migration of salmon, steelhead, lamprey and more ...

In The Americas, Tom Hanks takes us on an epic 10-part adventure through the natural world. The series covers the world’s largest supercontinent, stretching from the southern tip of Chile to the ...

Fish The Nush expands Alaska fish guide services to support sustainable Bristol Bay salmon tourism, conservation ...

(CNN) — Hatched in quiet streams and rivers, salmon undertake a perilous journey to reach the open ocean where they become mature adults. Over millions of years, generations of young salmon have ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. Hatched in quiet ...