Footprints suggest tyrannosaurs were gregarious
Scientists in western Canada have discovered the fossilized footprints of three tyrannosaurs that suggest these fearsome predators may have hunted in packs.
Amber discovery indicates Lyme disease is older than human race
Lyme disease is a stealthy, often misdiagnosed disease that was only recognized about 40 years ago, but new discoveries of ticks fossilized in amber show that the bacteria which cause it may have been lurking ...
47 million year old bird fossil offers evidence of oldest known pollinator
'Steak-knife' teeth reveal ecology of oldest land predators
The first top predators to walk on land were not afraid to bite off more than they could chew, a University of Toronto Mississauga study has found.
Anthropologists help solve mystery of 250 million-year-old strange bedfellows
(Phys.org) —They were strange bedfellows in a 250 million-year-old burrow: the sleeping, cat-size mammal forerunner Thrinaxodon liorhinus and the slightly smaller amphibian Broomistega putterilli that crawled ...
Discovery of a strange new snow scorpionfly species in Alaska helped by Facebook
Researchers from the University of Alaska Fairbanks (Derek Sikes and Jill Stockbridge) discovered a strange new insect on Prince of Wales Island, Alaska. It belongs to an enigmatic group that might help scientists ...
Tracing the evolution of avian wing digits
It is widely accepted that birds are a subgroup of dinosaurs, but there is an apparent conflict: modern birds have been thought to possess only the middle three fingers (digits II-III-IV) of an idealized ...
Scientists date prehistoric bacterial invasion still present in today's cells
Long before plants and animals inhabited the earth, when life consisted of single-celled organisms afloat in a planet-wide sea, bacteria invaded these organisms and took up permanent residence. One bacterium ...
Study explores 100 year increase in forestry diseases
As ash dieback disease continues to threaten common ash trees across Europe, new research in the Journal of Quaternary Science explores the historic impact of forest diseases to discover if diseases played a significant factor ...
Feast clue to smell of ancient Earth
Tiny 1,900 million-year-old fossils from rocks around Lake Superior, Canada, give the first ever snapshot of organisms eating each other and suggest what the ancient Earth would have smelled like.
New carnivorous dinosaur from Madagascar raises more questions than it answers
The first new dinosaur named from Madagascar in nearly a decade, Dahalokely tokana was a carnivore measuring 9-14 feet long. Its fossils were found in 90-million-year-old rocks of northernmost Madagascar, ...
Were 'hobbit' hominids island dwarfs?
Japanese scientists on Tuesday waded into a row over so-called "hobbit" hominids whose remains, found on a remote Indonesian island a decade ago, have unleashed one of the fiercest disputes in anthropology.
Out of Africa: Chameleons migrated by sea
Chameleons took to the waves to migrate from Africa to Madagascar about 65 million years ago, said a study published on Wednesday that seeks to resolve a roiling biological debate.
Fossil bird study on extinction patterns could help today's conservation efforts
(Phys.org) —A new University of Florida study of nearly 5,000 Haiti bird fossils shows contrary to a commonly held theory, human arrival 6,000 years ago didn't cause the island's birds to die simultaneously.