Learn about a small rodent-like mammal whose descendants survived the extinction event that killed all non-avian dinosaurs.

Everyone knows that dinosaurs are extinct, and most people have some idea about how it might have occurred. But the exact periods in history when it happened are less well known. Was it a single ...

The Cretaceous Era—roughly 145 to 66 million years ago—was the last hurrah of the dinosaurs. A massive asteroid impact brought them to a violent end, but there’s more to the story. The Cretaceous ...

Add Yahoo as a preferred source to see more of our stories on Google. An artist's impression of the last dinosaurs from southern North America features a long-necked Alamosaurus. - Natalia Jagielska A ...

Researchers suggest that ground-based mammals fared better than their arboreal relatives during the end-Cretaceous extinction thanks to their lifestyle. Reading time 2 minutes The end-Cretaceous ...

Sixty-six million years ago, at the end of the Cretaceous Period, an asteroid impact near the Yucat n Peninsula of Mexico triggered the extinction of all known non-bird dinosaurs. But for the early ...

The end of the dinosaurs was clearly linked to an asteroid impact that brought the Cretaceous period to a close. But the details of their end have remained a matter of debate since the impact crater ...

The Cretaceous–Paleogene (K–Pg) mass extinction event, marking the boundary between the Cretaceous and Paleogene periods approximately 66 million years ago, stands as one of the most profound ...

Katie has a PhD in maths, specializing in the intersection of dynamical systems and number theory. She reports on topics from maths and history to society and animals. Katie has a PhD in maths, ...

The Late Cretaceous modern (crown) bird,Vegavis iaai, pursuit diving for fish in the shallow ocean off the coast of the Antarctic peninsula, with ammonites and plesiosaurs forcompany. Sixty-six ...