
Dinosaur's Klutz Moment Preserved in Time
A series of tracks in Oklahoma reveal where a dinosaur most likely slipped and caught itself before continuing on

Dinosaur's Klutz Moment Preserved in Time
A series of tracks in Oklahoma reveal where a dinosaur most likely slipped and caught itself before continuing on

Forbidden City Built from Stones Dragged on Ice
Ice-lubricated sledges were the most efficient way to transport multi-ton stones for Beijing’s center


Fossil Mosquito Found with Bellyful
Researchers recently found the only known ancient mosquito fossil to have died and been fossilized with a blood meal in its belly. Christopher Intagliata reports

Early Humans—Not Climate Change—Decimated Africa’s Large Carnivores
Africa once harbored a far greater variety of large carnivores than it does today. Competition with early humans for access to prey may have brought about their decline

Scientists Showcase the Wonders of the World at Burning Man Festival
Scientists haul their wares to Burning Man

East Africa's Small Carnivores Flourished While Large Ones Died Out
Comparison of small carnivore diversity over time with that of large carnivores points to an unexpected culprit

Ancient "Mega-Clawed" Creature Had Brain Like a Spider's
Researchers used CT scans to make 3-D reconstructions of the fossilized nervous system

Three Large Rivers Once Split Sahara
Climate models indicate that 100,000 years ago, stormwater would have formed three large rivers running north through the Sahara. Christopher Intagliata reports.

Evidence Found for Planet-Cooling Asteroid 12,900 Years Ago
A clue to an impact in Quebec fuels an ongoing debate about the cause of one of Earth's big freezes, called the Younger Dryas

Ancient Jewelry Had Extraterrestrial Origin
The metal in a set of 5000-year-old Egyptian beads came from an iron meteorite. Sophie Bushwick reports.

Ancient Europeans Added Zing To Meals
Prehistoric pots provide evidence that Europeans were spicing their food some 6,000 years ago. Cynthia Graber reports.

Megafauna Extinction Affects Ecosystems 12,000 Years Later
A researcher describes how his mathematical model based on heat diffusion reveals the critical role played by large animals in dispersing nutrients