New dating has revealed that New Mexico's last dinosaurs were healthy, diverse and thriving at the end of the Cretaceous period, suggesting non-avian dinosaurs weren't in decline before being snuffed out by the asteroid strike.

New dating techniques of a century-old fossil site in New Mexico dispel the theory that dinosaurs were already in decline before the fateful asteroid hit.

Scientists have discovered prehistoric insects preserved in amber for the first time in South America, providing a fresh glimpse into life on Earth at a time when flowering plants were just beginning to diversify and spread around the world.

Study warns that humans may be driving Earth toward a sixth mass extinction. The research shows species loss, but the future is in our hands.

For decades, many scientists believed dinosaurs were already dwindling in number and variety long before an asteroid strike sealed their fate 66 million years ago.