For decades, scientists have disagreed about where the mighty Tyrannosaurus rex truly came from. Many fossils of T. rex have ...

Simulations calculated Tyrannosaurus speed from the motion of its swaying tail, finding that the massive dinosaur was a ...

"These suggestions will help ensure that you won't suffer the embarrassment that comes from having the same costume as someone else -- mainly because they wouldn't want to wear these." ...

A Montana fossil reveals that Nanotyrannus, once thought to be a young T. rex, was actually a full-grown predator and it's ...

Jane, long thought to be a juvenile Tyrannosaurus rex, has been reclassified as a new species called Nanotyrannus lethaeus.

Scientists have long puzzled over the origins of a mysterious dinosaur excavated in the 1940s: Was it a young T. rex or another type ...

The Natural History Museum in London unveils its 2025 Christmas sweater design, dressing its life-sized, animatronic Tyrannosaurus Rex in its own, oversized version.

Nanotyrannus lethaeus was a fast, agile predator distinct from T. rex, with longer legs, stronger arms and a body built for ...

Debate kicked off in 1988 when a single small tyrannosaur skull discovered four decades earlier was given its own species ...

A new analysis of a fossil unearthed in 2006 provides a fresh line of evidence that a separate tyrannosaur lineage called ...

New research has identified a dinosaur "mummy zone" in a series of ravines near Lusk, Wyoming. It's produced two mummies of a fleshy dinosaur with ...

The debate over Nanotyrannus’ identity is finally over. A remarkably preserved fossil proves it was a mature species, not a teenage T. rex. This discovery rewrites how scientists understand ...