Birds are rapidly vanishing from North America, with dramatic population losses in places that were once thought safe.

This video highlights the most dangerous animals in North America and provides survival strategies.

Analysis of nearly 500 bird species across North America has found that three-quarters are declining across their ranges, ...

Tyrannosaurus rex evolved in North America, but its direct ancestor came from Asia, crossing a land bridge connecting the ...

A new study indicates the giant reptile Deinosuchus is not a close relative of modern alligators, as scientists previously ...

North America dropped four rigs week on week, according to Baker Hughes’ latest North America rotary rig count, which was released on April 25. Although the U.S. added a total of two rigs week ...

North America dropped two rigs week on week, according to Baker Hughes’ latest North America rotary rig count, which was released on April 17. Although the total U.S. rig count increased by two ...

A new study based on mathematical modeling weighs in on the fierce debate among paleontologists over the origins of the king ...

Researchers trace T. rex origins to Asia and megaraptors to Gondwana. Climate changes and predator extinction fueled their ...

Building on a larger project by Junlin Hua, lead author on the new study, the team created a full-waveform seismic tomographic model for North America. This computer model utilized seismic data ...

Tyrannosaurus rex evolved in North America, but its direct ancestor came from Asia, crossing a land bridge connecting the continents more than 70 million years ago, according to a new study.