Biotechnology reveals how the woolly mammoth survived the cold and other mysteries of extinct creatures
Analysis of seafloor sediment reveals lower oxygen levels in the ocean when the planet heated up 55.9 million years ago
This year's doomsday angst owes much to public ignorance about pre-Columbian civilizations
Help scholars transcribe and catalog ancient Greek papyri fragments
To the Ends of the Earth
Evidence is mounting against claims that dinosaurs could not have been endothermic, including a new analysis of fossil microstructures found in ruminants, lizards, dinosaurs and crocodiles...
Even though it had been in a museum in Vienna for years, Heteronectes had not been recognized for what it was—an intermediate form between "normal" fishes, with eyes on opposite sides of the head, and modern flatfish such as halibut and flounder, with both eyes on the same side...
Milk fat compounds found on pottery shards indicate that Africans were engaged in dairy farming by about 7,000 years ago. Cynthia Graber reports
A new technique can estimate a body's volume and weight based on laser scans of its skeleton. Sophie Bushwick reports
Differences in developmental timing may have given birds their big eyes, big brains and smaller size
The ninth-century wall paintings predate existing Mayan astronomical records by hundreds of years
Books and recommendations from Scientific American
Rather than search for an acoustic motivation behind its structure, new research aims to better understand how ancient people might have used Stonehenge
Compression fossils reveal that these Mesozoic insects with serrated mouthparts were 10 times bigger than today's fleas, but lacked jumping legs
Scientific American editor Kate Wong talks about the recent conference of the American Association of Physical Anthropologists in Portland, Ore., where subjects included killer chimps, unprecedented fossil sharing among researchers and divergent hominid foot forms...
Ancient reptiles owed huge size more to their eggs than to a benign environment.
The release of life-forms in cold storage for eons raises new concerns about the impacts of climate change
Melting glaciers could liberate ancient microbes
The confiscated wooden covers are adorned with hieroglyphics and highlight what is a seemingly vast black market for mummies