Gus is about 12.5-feet-tall, 38-feet-long, and could fetch the highest price for any dinosaur ever sold at auction.

One of the world’s largest and most complete Tyrannosaurus Rex fossils could be sold for millions of dollars at an auction.

A 67-million-year-old T. rex fossil found on a South Dakota cattle ranch nicknamed 'Gus' could sell for up to $30 million at ...

A 67-million-year-old T. rex named ‘Gus’ is heading to Sotheby’s with a $30m estimate, making it one of the most valuable ...

Come July, a Tyrannosaurus rex fossil is going under the hammer at Sotheby’s New York, with a colossal estimate to match.

An analysis of 85 dinosaur species shows that tiny forearms in meat-eating dinosaurs were the result of an evolutionary trade ...

There’s a newly crowned T. rex. This one, called Tylosaurus rex, was a tyrant of the sea and mosasaur spanning up to 43 feet ...

A new study has found that the T. rex's arms evolved to become smaller at the same time as its head grew to catch more prey ...

Just when you thought it was safe to go back in the water, scientists have discovered a giant, bus-size sea predator that was ...

A Royal Society research paper published May 20 suggests that T. rex, which averaged more than 40 feet long with arms ...

A new study explores the reason why the dinosaur T. rex has tiny arms.