From moles underground to squirrels in the trees, a variety of animals are impacted by the regular overflow of periodical cicadas, studies suggest.

Mites provide poison frogs with most of their toxic sting, at least in the lowlands of Panama and Costa Rica, a new study shows.

A hurricane even weaker than Katrina could devastate the Louisiana city, despite repairs by the U.S. Army Corps of Engineers, experts say.

In contradiction to a 2005 UN report, a new study of abnormalities in barn swallows suggests that fallout from the explosion is still putting millions of people at risk.

A new tagging study has revealed that large squid may be much more plentiful than previously thought—and that sperm whales may hunt the creatures at their most vulnerable.

Polar explorer Will Steger will lead a team across Canada's Baffin Island to document the ways global warming is impacting humans in the far north.

A cache of 4,300-year-old stone nutcrackers found in Africa pushes back chimpanzee tool use thousands of years, a new study suggests.

Join a team of kayakers as they search for shallow salt lakes—the last remnants of oceans that once covered an arid mountain plateau.

The village was home to the ancient British monument's builders and the site of mass rituals that may link Stonehenge with another "henge," archaeologists announced.

A tiny hobbit-like human that lived 18,000 years ago was a member of its own species, not a modern human with a brain disorder, according to a new study of the hominin's skull.

Strange specimens of natural glass found in the Egyptian desert are products of a meteorite slamming into Earth between 100,000 and 200,000 years ago, scientists say.

Turning specific cells on and off in fly brains can help researchers understand how individual parts of a complex system affect the whole animal.

Zahi Hawass uses just about any means necessary—including his very influential voice—to save the relics of his country's storied past.

Field crickets on the island of Kauai rapidly evolved to have femalelike wings to avoid a parasitic fly that finds its prey by sound, new research reveals.

Infected at rates approaching 95 percent, young salmon are forced to run a gauntlet of sea lice clouding the waters around some fish farms.