Asteroids capable of flattening a metropolis are no longer the stuff of science fiction, and the latest “city destroyer” ...

Contrary to popular belief, ammonites, ancient marine mollusks, survived the asteroid impact that wiped out the dinosaurs. Recent fossil discoveries in Denmark indicate some ammonite species persisted ...

Fossils from Denmark suggest ammonites survived the asteroid extinction far longer than believed, raising new questions about how these ancient marine survivors finally disappeared after Earth’s most ...