A newfound fossil predator, which may have hunted other flyers, is a hodgepodge of older and more modern flying reptiles, scientists say, bridging a gap in pterosaur evolution.
If the largest snake that ever lived were still slithering today, it would feel right at home in South America's rain forests, newfound fossils from the snake's ancient home reveal.
As agile as its panther namesake in The Jungle Book, a tropical jumping spider is the only known plant-eater among 40,000 known spider species, a new study says.
Miles-long sheets of mucus-like material are forming more often and in more places, a new Mediterranean Sea report says. More than just unpleasant, the blobs are an unexpected health hazard, the study found.
Bigger and badder than the deadly Komodo dragon, a mysterious prehistoric lizard may be a new species, say scientists piecing together the Australian origins of reptilian giants.
A new look at holes in a T. rex's jawbone suggests the battle-scarred behemoth was ultimately taken down by a parasite akin to one that infects modern birds, scientists say.
A frog that eats birds and a catlike lizard are some of the 163 surprising new species discovered last year in the jungles of Southeast Asia's Greater Mekong region, WWF reports.
New species discovered along Asia's Mekong River in 2008—including a leopard gecko and a fanged frog that eats birds—are already under serious threat because of climate change, WWF says. Video.
A 23-foot-long behemoth may have been finished off by a gang of sharks 85 million years ago, according to a new analysis of fossil bones studded with shark teeth.
To help save South Australia's rare black-footed wallaby, researchers are taking joeys from the wild and placing them in surrogate pouches, encouraging wild moms to trigger "backup" pregnancies. Video.
