Learn what recently discovered fossils can tell us about this formidable dinosaur’s hunting style and why they were "unsafe ...

A Tyrannosaurus rex skeleton from South Dakota, nicknamed Gus, has become the world’s most expensive fossil sold at auction.

The discovery of a tiny baby Tyrannosaurus rex foot bone gave researchers insight into what T. rex reproduction looked like, ...

One of the most complete T. rex fossils sold for a record-setting price during Sotheby's Natural History auction.

Owning a piece of dinosaur history is looking to get especially pricey. This week, a Tyrannosaurus rex skeleton nicknamed ...

In a booming fossil market, the T. rex had been dethroned by a stegosaurus. No longer. By Julia Jacobs and Zachary Small ...

A Tyrannosaurus rex fossil billed as one of the world's largest and most complete specimens was sold for a record $50.1 ...

Bids on "Gus" will start at $19 million, a steep price for public institutions. Specimens in private collections can be ...

The skeleton, found in South Dakota, measures 38 feet in length and 12.5 feet tall, with a skull of 54 inches, according to ...

At Sotheby's on Tuesday, "Gus," the nicknamed T. rex skeleton unearthed in South Dakota, sold for $50.1 million including ...

With the record-breaking sale of a Tyrannosaurus rex skeleton, debate is swirling over the private market for dinosaur ...

Paleontologists argue blockbuster auctions are putting scientifically important specimens beyond the reach of public institutions.