Hundreds of chickens and ducks found drained of their blood with only clue a four-toed footprint.
First evidence of chimpanzees creating a kind of shrine indicating sacred trees?
Panda managed to fend for himself this winter in Shaanxi Province, munching through 50kg of bamboo every day.
More starving pups are dying before they strike out on their own due to lower fish stocks and warmer seas.
Moseley discovered the atomic number which measures how many protons elements have.
Male sand martin birds observed trying to have sex with a dead male they thought was female.
The marsupial had not been seen since 1989 but a roadkill discovery means there could still be more out there.
Wildflowers have transformed the park's arid landscape into a floral paradise.
The Zao Fox Village in Japan joins the ranks of rabbit island, Bahama's swimming pigs and cat world.
Research studied fat king penguins waddling on a treadmill.
You can help choose the winner of the Smithsonian Photo Contest Readers' Choice Award.
US researcher demonstrates that the flightless bird probably had the same size brain as the industrious pigeon.
Thousands of shipwrecks spanning 500 years giving clues to health of deep-ocean in Gulf of Mexico
Killing off top predators creates an unsustainable banquet for rest of food chain, study found
PDSA says that owners are unprepared after so many unplanned litters.
$10,000 reward offered for information after iconic birds are found near popular hunting spot
The caesarean delivery was done when the mother, a Western lowland gorilla, was diagnosed with pre-eclampsia.
Billions of small fish in diurnal trip may be adding 'rush hour' sound to sea, says marine biologist.
Absorbed CO2 prevents regular growth of tiny corals making them smaller and more fragile, research suggests.
Girl shows no fear as she coolly helps the lamb into the world.
Raising a glass of that beer will help protect The Great Barrier Reef.
Thailand government efforts to save tiger population is working, study finds.
Mysterious four-mile-long boiling river had been unknown to science for almost a century.
The drone footage is captivating people everywhere.
A moonlit image of refugees crossing the border from Serbia into Hungary has been selected as the World Press photo of the year.
The white gyrfalcon was photographed by an observation tower.
Locals were 'unnerved' before experts confirmed that the species was an old pike eel.
Fearsome predator Thylacoleo carnifex lived in Australia over 40,000 years ago.
Handlers worried Pacific octopus Kong would eat his mate for the big finale
The species discovered in the Dominican Republic is the first Neotropical species to be found in amber.