Instead of powerful jaws, these agile hunters developed slender heads, lightweight bones, and unusually long arms ending with ...

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

Judge orders temporary halt to Trump administration's mass layoff plans President Donald Trump's administration must temporarily halt efforts to implement a February 26 executive order that ...

rex. Instead of powerful jaws, these agile hunters developed slender heads, lightweight bones, and unusually long arms ending with enormous claws measuring up to 35 centimeters. Paleontologists ...