Life
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Paleontology
Overlooked fossil spread first feathers
A new look at a fossil that had been lying in a drawer in Moscow for nearly 30 years has uncovered the oldest known feathered animal.
By Susan Milius -
Animals
Stalking Larvae: How an ancient sea creature grows up
Scientists have finally observed living larvae of a sea lily, an ancient marine invertebrate related to starfish.
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Animals
Camelid Comeback
The future of vicuñas in South America and wild camels in Asia hinges on decisions being made now about their management.
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Animals
Homing Lobsters: Fancy navigation, for an invertebrate
Spiny lobsters are the first animals without backbones to pass tests for the orienteering power called true navigation.
By Susan Milius -
Animals
Ant Traffic Flow: Raiding swarms with few rules avoid gridlock
The 200,000 virtually blind army ants using a single trail to swarm out to a raid and return home with the booty naturally develop three traffic lanes, and a study now shows that simple individual behavior makes the pattern.
By Susan Milius -
Animals
Ant Traffic Flow: Raiding swarms with few rules avoid gridlock
The 200,000 virtually blind army ants using a single trail to swarm out to a raid and return home with the booty naturally develop three traffic lanes, and a study now shows that simple individual behavior makes the pattern.
By Susan Milius -
Paleontology
New fossil weighs in on primate origins
A 55-million-year-old primate skeleton found in Wyoming indicates that the common ancestor of modern monkeys, apes, and people was built primarily for hanging tightly onto tree branches.
By Bruce Bower -
Paleontology
New fossil weighs in on primate origins
A 55-million-year-old primate skeleton found in Wyoming indicates that the common ancestor of modern monkeys, apes, and people was built primarily for hanging tightly onto tree branches.
By Bruce Bower -
Animals
Single singing male toad seeks same
Male spadefoot toads of the Spea multiplicata species evaluate male competitors by the same criterion females use.
By Ruth Bennett -
Ecosystems
Trust That Bird? A bit of future-think lets jays cooperate
A blue jay will cooperate with a buddy for mutual gain in food despite opportunities to betray the partnership.
By Susan Milius -
Animals
Frogs Play Tree: Male tunes his call to specific tree hole
Borneo's tree-hole frog may come as close to playing a musical instrument as any wild animal does. [With audio file.]
By Susan Milius -
Animals
Hawkmoths can still see colors at night
For the first time, scientists have found detailed evidence than an animal—a hawkmoth—can see color by starlight.
By Susan Milius