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Plants & Animals Sep 28, 2026

One of Canada's worst invasive species may have arrived naturally

Most invasive species are introduced into the areas where they become damaging. That's part of why they tend to be so successful in taking over new environments and causing billions of dollars in damage.

Environment Sep 28, 2026

Hurricane Polo approaches Mexico, threatens 'severe' damage

Strong winds battered Mexico's Baja California peninsula on Monday ahead of the arrival of Hurricane Polo, a major El Niño-charged storm expected to cause severe damage along the Pacific coast.

Molecular & Computational biology Sep 28, 2026

Zebrafish reveal wider role for gene linked to human albinism

Tiny, striped zebrafish are helping scientists trace how a gene linked to albinism influences eye development, work that may ultimately help explain some of the vision problems experienced by people with the condition and ...

Ecology Sep 28, 2026

Biscayne Bay recognized as an essential habitat for sharks and rays

Biscayne Bay has been designated an Important Shark and Ray Area, recognizing the heavily urbanized estuary as essential habitat for nine shark and two ray species, including threatened and endangered species.

Ecology Sep 28, 2026

The herring fishery that took 400 years to rebound—and what it teaches us today

From the 13th to the 16th century, herring from the Sound—the strait in the Baltic Sea between Denmark and Sweden—was one of northern Europe's most important trade goods. Salted herring from the so-called Skanör-Falsterbo ...

Evolution Sep 27, 2026

Japan's 2011 tsunami sparked fish hybridization, but species boundaries largely held

How are species boundaries maintained in the face of environmental disturbance? This is not only a fundamental question in evolutionary biology but also an increasingly important one as human activities and climate change ...

Ecology Sep 27, 2026

DNA reveals chemosynthesis genes in bacteria living on coral reef fish gills

Chemosynthetic bacteria have been documented in various marine environments and in association with invertebrate hosts such as annelid worms and mollusks, but their presence in fish appears to be a new discovery. The findings ...

Plants & Animals Sep 26, 2026

Guatemala ensures survival of vulnerable 'fossil' fish

In a freshwater canal surrounded by mangroves in southern Guatemala, hundreds of baby tropical gars—a torpedo-shaped fish with an alligator-like snout dubbed the "fossil fish"—are released into the wild.

Plants & Animals Sep 24, 2026

Sharks can hear sounds nearly 250 feet away and find the source

Sound travels through the ocean carrying clues about potential prey, predators and other animals, giving sharks an important way to detect what they cannot yet see. But exactly how far a free-swimming shark can hear a sound—and ...

Earth Sciences Sep 24, 2026

Alaska's orange rivers are more metallic than acid mine drainage

The bright orange plumes of water scientists first noticed billowing across a river in Alaska's Brooks Range in 2018 were even more acidic and metallic than water leached from metal mines, despite their pristine surroundings. ...

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