Animal species are disappearing at an alarming rate. Some are calling the current trend Earth’s sixth mass extinction.
Fossils from a 66-million-year-old forest fire show the world was a hotter and much damper place just before the mass extinction of the dinosaurs.
Animal species are disappearing at an alarming rate. Some are calling the current trend Earth’s sixth mass extinction.
Fossils from a 66-million-year-old forest fire show the world was a hotter and much damper place just before the mass extinction of the dinosaurs.