Newly dated fossils from New Mexico challenge the idea that dinosaurs were in decline—and suggest instead they had formed flourishing communities.

New dating techniques at a fossil site in New Mexico attempt to dispel the theory that dinosaurs were already in decline before the fateful asteroid hit.

A fresh analysis of a site in New Mexico provides a glimpse into the final days of the dinosaurs, showing their diversity before going extinct.

A new study of dinosaur biodiversity challenges the belief that the megafauna were on their way out 66 million years ago ...

Study challenges long-held assumptions, finding late-surviving dinosaurs lived in vibrant, regionally distinct communities ...

Sixty-six million years ago, the age of the dinosaurs came to an abrupt end, but scientists are still piecing together ...

A fossil site in New Mexico with numerous dinosaurs, including the gargantuan Alamosaurus, dates to shortly before the ...

Of all the mysteries surrounding dinosaurs, none has sparked more debate than how their era ended—was it a gradual decline or a sudden catastrophe? A new study led by Andrew Flynn of New Mexico State ...

New research has identified a dinosaur "mummy zone" in a series of ravines near Lusk, Wyoming. It's produced two mummies of a fleshy dinosaur with ...

Scientists have long debated whether dinosaurs were in decline before an asteroid smacked the Earth 66 million years ago, causing mass extinction. New research suggests dinosaur populations were still ...

The Royal Gorge Dinosaur Experience (RGDE) will close its doors for good at the end of 2025, after almost 10 years delighting ...

A site in the San Juan Basin of northwestern New Mexico is providing a rare glimpse into the last days of the dinosaurs.Rocks and fossils at the Naashoibito Member site show an ecosystem that was ...