Dinosaurs

A new analysis confirms the widely held suspicion that DNA from dinosaurs and ancient insects trapped in amber cannot be recovered to make a 'Jurassic Park'-style theme park

Western New Jersey holds one of the most visible examples of the Triassic–Jurassic boundary, where evidence could settle the debate about what caused a mega-extinction event that paved the way for the age of dinosaurs

The government has asked publishers to retain examples of evolution in biology textbooks

Biotechnology reveals how the woolly mammoth survived the cold and other mysteries of extinct creatures

The B612 Foundation wants to put a telescope in orbit around the sun to look for asteroids that might hit Earth. John Matson reports

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

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

Compression fossils reveal that these Mesozoic insects with serrated mouthparts were 10 times bigger than today's fleas, but lacked jumping legs

Ancient reptiles owed huge size more to their eggs than to a benign environment.

Marine creatures called conodonts used minuscule tooth points to apply large pressure to food