WASHINGTON (Reuters) - A fossil site in New Mexico with numerous dinosaurs, including the gargantuan Alamosaurus, dates to shortly before the asteroid strike that abruptly ended the age of dinosaurs, ...

Fossils reveal dinosaurs were flourishing in diverse ecosystems right up until the asteroid impact ended their reign.

NEW MEXICO (KRQE) – New Mexico’s Bisti Badlands are once again challenging what is known about a particular type of dinosaur ...

The idea that dinosaurs were already declining well before the asteroid impact 66 million years ago seems established.

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 ...

NEW MEXICO (KRQE) – One thing that northwestern New Mexico is known for is lots of dinosaur fossils. Previously, paleontologists estimated that the fossils in the Birsti Badlands were 70 million years ...

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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 dates for a long-debated New Mexico fossil site reveal that dinosaurs were thriving and regionally diverse until the end-Cretaceous asteroid strike 66 million years ago, according to a new study.

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. But new research in the journal ...