Ribbon worms swallow prey whole, grease themselves with their mucus to slide quickly through mud, split into new worms if severed, and much more
A study of fossils of prehistoric birds suggests two sets of wings—one set on the creature's hind legs—helped avians stay aloft
Insect keeper Dan Babbitt of the Natural History Museum explains what makes spiders so cool
Measuring how coral fluorescence changes may serve as an early indicator of the declining health of a reef
Zookeepers show that it is possible to teach an old otter new tricks
40 bucks in cash, a warm sleeping bag and plenty of wine carry the author through his final days in Ecuador, in the remote high country outside of Quito
From a caterpillar to the Milky Way, the ten finalists in the contest's Natural World category capture the peculiar, the remarkable and the sublime
Israel battles a swarm of millions of locusts that flew from Egypt that is giving rise to a host of ecological, political and agricultural issues
A new DNA analysis confirms that an ancient skull found in a Siberian cave was an early ancestor of man's best friend
Bad weather threatens the metro area, but the Smithsonian museums Will Open, National Zoo is Closed
The birds' plumage is even colder than the surrounding air, paradoxically insulating them from heat loss
Ivory poachers slashed the population of the small elephants by 62 percent in the past decade--future losses at those rates will doom the species
Home to a string of high peaks, including 20,564-foot Chimborazo, the area offers some of the finest cycling, hiking and adventuring country anywhere
Breeding season for the giant pandas gets underway this month at the National Zoo
The freelancer’s new exhibit at the Natural History Museum captures the beauty, and fragility, of sea life
After studying chimpanzees for decades, the celebrated scientist turns her penetrating gaze on another life-form
Birds like the snowy egret were on the brink of extinction, all because of their sought-after plumage
A scientist studying female elephants—usually portrayed as cooperative—makes a surprising observation about their behavior
From tracking a giant squid to decoding jellyfish alarms in the Gulf, a depth-defying scientist plunges under the sea
Smithsonian Secretary G. Wayne Clough journeys to Front Royal, Virginia, to find out the latest in animal research
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