On Hudson Bay's frigid shores, scientists track the animals to better understand how the environment is shaping their chances of survival
The intact skeleton of a washed-up whale gave scientists the final pieces of evidence needed to make the designation
High-elevation birds might use their downy feathers to keep from wasting energy shivering to stay warm
Genetic material from three ancient molars reveals secrets of about how the Ice Age elephants evolved
From jellyfish to millipedes, the rosy hues make rare but exciting appearances in nature
Some species have developed unusual rituals to show off their prowess as a potential mate
Researchers spend long periods of time around the organisms they study, and sometimes that exposure has unintended effects
Watch the growing bear play with enrichment toys, take his first bites of sweet potato and bamboo, and have his first encounter with snow
Researchers find a mutation that offers clues to the ancient sea-to-land transition of vertebrates
The weekend's winter snowfall in Washington, D.C. delighted the giant pandas, red pandas, Andean bears and other critters at the National Zoo
The research could help zoologists understand what makes tuataras so genetically different from all other reptiles.
The Smithsonian's National Zoo is warming up to a new monitor lizard this winter, a young Komodo dragon named Onyx
Prehistoric farmers fertilized their crops with the waste, which they imported from the coast
A recent study from Wyoming shows that when the two predators overlap, wolves kill kittens in high numbers and push adults to starvation
The study challenges what researchers know about eels’ supposed loner behavior
The successful predator, which has decimated bird populations on Guam, lassoes its body around poles in order to propel itself upwards
Researchers hope the technology can be used to reduce the number of the crustaceans that die along the way
Helen James' work on avian extinction helps in understanding how bird species today respond to threats like human encroachment and environmental change
As they craft their humble lives from piles of manure, the insects look to the skies for direction
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