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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. ...

Paleontology & Fossils Sep 24, 2026

New species of proto-amphibian described by students, named in honor of their mothers

Around 309 million years ago, long before the dinosaurs, the area around Chicago was a swampy river delta swarming with early land-dwelling animals, giant insects and strange swimming animals. What was once a hotbed for new ...

Environment Sep 24, 2026

Bay Area wastewater plants could nearly halve nitrogen cleanup costs by coordinating upgrades

Treating polluted water flowing into San Francisco Bay to meet regulatory requirements is going to cost ratepayers money. Exactly how much depends, in large part, on whether the region's wastewater treatment plant operators ...

Plants & Animals Sep 23, 2026

Crown-of-thorns starfish can help reefs thrive

Crown-of-thorns starfish (COTS) are infamous in the marine world. Their toxin-loaded thorns give them a menacing appearance, and they have a reputation as destroyers of coral reefs. New research from the University of Sydney ...

Plants & Animals Sep 23, 2026

Study reveals how biological echo chambers form—and what can break them

Tropical army ants are known to form devastating armadas that march through forests eating other insects and small creatures. As they march, they deposit chemical trails of pheromones that others behind them sense and follow. ...

Biotechnology Sep 23, 2026

Kibble with microbial proteins appeals to cats and dogs in new study

In a new study, cats and dogs showed a short-term preference for kibble containing some protein derived from microorganisms over kibble containing only standard animal-derived protein. Ally Motta de Matos and A.L.B. Cruz ...

Plants & Animals Sep 23, 2026

How social brains allow animal groups to escape danger

Social behavior is found across the tree of life, with animals of all types benefiting from living in a group environment. Large bird flocks and fish schools coordinate their actions by sharing information among individuals. ...

Ecology Sep 23, 2026

Seabed surveys around the Isles of Scilly find more than 90 species across habitats poorly captured by classifications

Scientists have conducted an unprecedented assessment of the seabed around the Isles of Scilly, revealing complex mosaics of sediment that support a wide range of habitat-building species. The research, led by the University ...

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