Biological Evolution: Unity and Diversity
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AnimalsDinos may have had the sniffles 150 million years ago
A respiratory infection that spread to air sacs in the vertebrae of a sauropod dinosaur likely led to the dino's now-fossilized bone lesions.
By Sid Perkins -
AnimalsNewfound ‘bambootula’ spider lives inside bamboo stems
A YouTuber discovered a new tarantula genus living in bamboo near his home in Thailand. It’s the only tarantula known to choose such a habitat.
By Becki Robins -
ArchaeologyOur species may have reached Europe while Neandertals were there
Archaeological finds from an ancient French rock-shelter show periodic settlements by both populations, just not at the same time.
By Bruce Bower -
AnimalsA new drug mix helps frogs regrow amputated legs
The treatment helped frogs grow working limbs useful for swimming, standing and kicking. It’ll be a while before people can do that.
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AnimalsSee the world through a jumping spider’s eyes — and other senses
Scientists are teasing out the many ways the spiders’ vision, listening and taste senses differ from ours
By Betsy Mason -
AnimalsMysterious kunga is the oldest known human-bred hybrid animal
People bred these animals — part donkey, part wild ass — some 4,500 years ago, probably for use in fighting wars.
By Jake Buehler -
AnimalsScientists discover the first true millipede
The newfound deep-living species tunnels belowground using a whopping 1,306 legs!
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AnimalsAs the tropics warm, some birds are shrinking
Migratory birds are getting smaller as temperatures climb, studies had showed. New evidence shows dozens of tropical, nonmigratory species are, too.
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AnimalsLet’s learn about chimpanzees and bonobos
Humankind’s closest cousins in the animal kingdom may look similar, but in terms of behavior, they’re polar opposites.
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AnimalsScientists Say: Adaptation
This word refers to a feature of a living thing that helps it better survive in its environment — or the process of that feature evolving in a population.
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Animals‘Penis worms’ could have been the original hermits
These soft-bodied critters lived in abandoned shells about 500 million years ago, a new study suggests.
By Sid Perkins -
AnimalsExplainer: The age of dinosaurs
Take a trip back to the Mesozoic Era to explore how geologic events, ecosystems and evolution were connected during the so-called age of dinosaurs.
By Beth Geiger