Dinosaurs roamed the northern hemisphere millions of years earlier than previously thought, according to new analysis of the oldest North American fossils Date: January 7, 2025 Source: University ...

This discovery not only makes Ahvaytum bahndooiveche the oldest known dinosaur from the northern hemisphere, but it also calls into question long-held theories about how dinosaurs dispersed across ...

The cross section of a tree can tell us about its ... to data they could collect from the Northern Hemisphere outside of tropical regions. Most of the oldest meteorological stations, dating ...

Lovelace and graduate student Aaron Kufner's just-published research contends dinosaurs inhabited the northern hemisphere millions of years earlier than thought, and around the same time as they ...

As the Atlantic grew wider, the ancestral population of all of today's oaks may have been straddling the continents of the Northern Hemisphere ... looked like the trees that produced it.

More than a dozen research groups collaborated to create this reconstruction, using data from about 10,000 trees across nine regions of the Northern Hemisphere between 30 and 90 degrees latitude ...

The creature, named Ahvaytum bahndooiveche, is now the oldest known Laurasian dinosaur ... which revealed that the dinosaur was present in the northern hemisphere around 230 million years ago.