The viral king penguin chick at Sea Life Melbourne Aquarium is beginning to lose his youthful down, a process that will give him his distinctive and waterproof adult plumage
The bone, described two decades after its discovery, suggests the species might have grown up to 20 percent bigger than other terror birds
The beloved reptile in Australia died last weekend and was thought to be up to 120 years old, though that age is only an estimate. Research on his bones might reveal a more exact number
On its 66th flyby of the king of planets, Juno has captured spectacular views of the stormy atmosphere, processed by citizen scientists
In a rare technique among mammals, the bats burn proteins from blood, rather than carbs or fat, to power their pursuits of prey, according to a new study
Antonia, a cloned black-footed ferret at the Smithsonian's National Zoo and Conservation Biology Institute, has produced two healthy offspring that will help build genetic diversity in their recovering population
Born October 30 to parents Gloria and Otto at the Edinburgh Zoo in Scotland, the hippo is already gaining popularity, following in the footsteps of viral sensation Moo Deng
The farthest spacecraft in the universe went momentarily rogue, but scientists breathed a sigh of relief when it reconnected at an unexpected radio frequency
Babies who were conceived and born during the period of rationing in the United Kingdom were less likely to develop certain diseases as adults, a new study finds
The 237-million-year-old remains are among the oldest silesaurid fossils ever found, adding to paleontologists' understanding of this still-mysterious group of prehistoric reptiles
The pachyderm, named Kamala, was suffering from osteoarthritis when zoo staff chose to euthanize her
The species may have been carried to the Sacramento–San Joaquin Delta in ballast water on ships
When fishermen found the endangered loggerhead sea turtle off Vancouver Island in February, she was listlessly floating in a bed of kelp
The team was analyzing the structure of a royal palace’s gate when they discovered 12 statues made out of sandstone
Unlike other birds, which get pigments from their diets, parrots produce their own—but scientists never fully understood the underlying mechanisms, until now
The critter found in New York represents a new, extinct species of arthropod that could shed light on the evolution of today's insects, crustaceans and spiders
Found in a rock in Argentina, the six-inch-long tadpole sheds light on the history of frog metamorphosis
Introduced in 1934, the federal duck stamp contest has raised more than $1.2 billion and protected at least 6.5 million acres across the nation. Now, an art exhibition at Connecticut’s Bruce Museum honors the competition’s history
A new study suggests the seismic energy traveled outward from a previously unmapped fault, emanating from the hypocenter in bouncing waves that shook distant areas
After a summer that tied for the country's hottest, meteorologists say an unusually warm autumn is delaying snowfall
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