By using video of singing birds played back in super slow motion, scientists are teasing apart the mechanics of the beak's role in birdsong—and what that may mean when it comes to selecting a mate.

Manufacturing is virtually nonexistent in the Arctic, yet recent studies show that Eskimos and other Arctic peoples carry unusually high levels of human-made toxins.

An ambitious drug-research project in Madagascar aims to tap the botanical knowledge of traditional healers while helping to protect the country's rain forests.

Catches of dwindling U.S. marine fish stocks by recreational anglers now rival those of commercial fisheries, claims a new report.

By altering a gene, scientists have produced "marathon mice" with more muscle, less fat, and twice the endurance of regular mice. The find could lead to new anti-obesity drugs.

A new fossil find suggests that the crocodile's crushing jaws evolved on dry land—and long before its water-friendly body.

To shed light on the sex lives of rosy-finches, North America's highest-breeding birds, researchers clip on crampons and get climbing.

When lobsters flirt or fight they first signal their intention by urinating in one another's faces—just one of many intriguing facts uncovered in a new book about the little-known life of these familiar crustaceans.

Experts have trained unwanted dogs into supersniffers that can detect drugs or bombs. Now they're focusing on a new threat—prostate cancer.

Conservationists say the survival of Mongolia's fabled taimen salmon may depend on an unusual ecotourism venture involving Western anglers.

Faced with the lingering effects of a 19th-century trade in seabird excrement and more modern pressures, jackass penguins are struggling to recover, conservationists say.

Eighty percent of Australia's snake species are venomous, making the continent a paradise for researchers seeking the next generation of miracle drugs for human diseases.

"Birdman of Bel Air" Mathew Tekulsky waxes on the serendipitous moments when birds and timing alight together for memorable photographs.

Normally, transportation routes through wilderness are frowned on by conservationists. But a newly restored railroad in Madagascar is persuading locals not to slash and burn the surrounding landscape.

Pharmaceutical companies have profited from medicines derived from spiders. Now a group called Venom Venture is making sure some of that money goes toward conserving the spiders themselves.