A 115-Million-Year-Old Dinosaur Bone May Still Hold Traces of Blood
Chemical traces in an Aratasaurus fossil point toward ancient blood, but experts disagree about whether the tiny structures are red blood cells.
Posts Tagged: dinosaurs
Paludohadros Was Found 25 Years Ago. Now It Carries the Name of a Quarry Manager Who Never Saw It
A Surrey dinosaur found 25 years ago is now a new genus named for quarry manager Will Proudlove, who died shortly before its excavation.
A Teacher Stumbled Upon Giant Footprints That May Be the First Known Adult T. Rex Trackway
Recovering from knee-replacement surgery, Colorado teacher Kent Hups spotted a peculiar shape in a North Dakota valley. Researchers say the four-footprint sequence may be the first known trackway likely left by an adult T. rex.
Scientists Put a Number on T. rex’s Body Temperature—and It Was Surprisingly Human
Researchers estimated T. rex’s body temperature at about 97°F by studying chemical bonds in fossil tooth enamel. The result gives a famous dinosaur a surprisingly familiar number.
Dinosaurs 101
Over a thousand dinosaur species once roamed the Earth. Learn which ones were the largest and the smallest, what dinosaurs ate and how they behaved, as well as surprising facts about their extinction.