-
Sexing Dinos: Paleontologists Seek Fossilized Hormones
How can you tell if a dinosaur is female or male? It’s one of the most basic aspects of biology and yet, for the most part, it continues to be a mystery in paleontology. We don’t yet know the sex of most extinct species, even if those in museum displays have gender-specific names like Sue…
-
These Fossil Mummies Reveal a Brutal World Long Before T. Rex Lived
It was a time of catastrophic change. Most of life on Earth had been wiped out, global temperatures had increased dramatically, and the weather raged in extremes. That anything survived in this hostile environment is remarkable, and yet, some plants and animals persisted. One such survivor was Lystrosaurus, a four-legged herbivore with a beaked snout…
-
Dinosaur Tracks Damaged After Construction Crew Drove Over Fossil Site, Report Finds
More than two months after paleontologists claimed a dinosaur fossil site in Utah was seriously damaged by a backhoe, the Bureau of Land Management — which had ordered the construction work — has admitted that fossil trackways were indeed damaged by the heavy machinery and that the department made mistakes in not consulting scientists before…
-
Footprints Suggest Humans Migrated Deep Into North America Earlier Than Previously Known
Evidence published this week not only changes the timing of human existence in southwestern North America but suggests that people remained in that location for at least 2,000 years. It’s a stunning revelation that indicates humans lived in areas below the ice sheets covering much of North America and the world at that time, evidence…