Paleontologists Mark Goodwin and Jack Horner have dug for 11 years in Montana's Hell Creek Formation in search of every dinosaur fossil they can find, accumulating specimens of all stages of ...

Have you ever worked out and watched your muscles grow before your very eyes? You probably have, and while this is a fun, satisfying sight, it doesn't last. What you experienced is known as a muscle ...

WASHINGTON (Reuters) - One of the traits that helped make the dinosaurs such an evolutionary success story - thriving for 165 million years - was their fast growth rate, from massive meat-eaters like ...

Researchers have long known that the meat-eating Tyrannosaurus rex had a teenage growth spurt, gaining around 35 to 45 pounds per week, to reach its colossal size. But up until now, it hasn’t been ...

Research into a vast bone bed in western Montana has yielded the most complete life history of any dinosaur known. Researchers from Oklahoma State University, Montana State University and Indiana ...

LOS ANGELES – Recently discovered dinosaur embryos are giving scientists their best glimpse yet into how the ancient creatures developed. The 190-million-year-old fossils unearthed in China belonged ...