Flying south for the winter?

Flying south for the winter?
A look at long-distance migration reveals surprising pattern. Migration did not originate in the tropics, home of intense bird More »

Menace to monarchs

Menace to monarchs
20 years ago, up to 1 billion monarch butterflies wintered in Mexico’s mountains. This January, a few tens of millions are roosting More »

Ancient water = ancient habitat?

Ancient water = ancient habitat?

Geologic dating shows that water has been trapped more than 2 kilometers underground since before the Cambrian explosion. This water More »

Wolf mystery solved at last!

Wolf mystery solved at last!

And how did it traverse 460 kilometers of ocean? Apparently by crossing a narrow band of ice during the last Ice Age. A new study More »

Odder than odd!

Odder than odd!

Dig the dung beetle. Sample the belly button. Tilt your brain — and see what happens. Watch bees cook their enemies. Drive through the More »

Light at night: Mixed blessing!

Light at night: Mixed blessing!

Researchers are finding more links to obesity, cancer, and sleep disturbances. Light blocks the release of melatonin, a hormone More »

Freaky fish flirting

Freaky fish flirting

A chemical from plastics “looks” like estrogen to the body. If it makes female fish more likely to flirt with males of a different More »

Honeybees getting lost?

Honeybees getting lost?

As colony collapse disorder continues to attack honeybee hives, a new study shows that a common insecticide interferes with their More »

Putting the brakes on fish invasions

Putting the brakes on fish invasions

Ecologists are desperate to forestall a devastating invasion of the Lakes. Should canal be closed to cut off the damaging fish, or is More »

Flying robots

small robotic, red and white plane on surface of water

Compared to regular airplanes, radio-controlled craft are safer, cheaper, and easier to use for observing wildlife and environmental More »

Ocean fish in hot water

Ocean fish in hot water

The ocean’s most valuable fish are caught in a vise. Areas known as dead zones are encroaching on their living zones and pinning them More »

Amphibian anxiety

Amphibian anxiety

Amphibians are disappearing faster than any other animals. A new study looks at the effects of changes in climate, land use and More »

The secret life of cats

The secret life of cats

Humans and cats have enjoyed each other’s company for millennia, but scientists have discovered some troubling secrets of free-roaming More »

Bats under attack

Bats under attack

White nose syndrome has killed a million bats in the eastern U.S., and spread to Nova Scotia, South Carolina and Tennessee. Why is the More »