Add Yahoo as a preferred source to see more of our stories on Google. When the drug clobazam accumulates in Atlantic salmon's brains, migrating juvenile fish reach the ocean sooner, a new study found.

The migratory journey of Atlantic salmon (Salmo salar) from freshwater rivers to the vast marine environment is a critical phase in their life cycle, significantly influencing population dynamics and ...

In the Northwest, salmon are struggling to make the seasonal migration upstream to their spawning grounds after a recent heat wave warmed up water temperatures. In fact, the water is so hot, ...

A common anti-anxiety drug, which has been found to pollute the world's waterways, seems to be influencing the migration behavior of wild Atlantic Salmon, according to a study out of Sweden. The study ...

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 ...

For young salmon, the journey along the San Joaquin River in Central California is no small feat. Every spring and fall, thousands of these fish—each as long as a pinky finger— embark on a 350-mile ...

(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 ...