Archive · 12 Aug 2025
The Discovery of 'Sue': A T. Rex Fossil Uncovered
Imagine finding almost all the bones of a giant dinosaur!
That's what happened when Sue Hendrickson found the skeleton of a Tyrannosaurus rex on August 12, 1990, in South Dakota.
They called it 'Sue.'
It's one of the biggest and most complete T. rex skeletons ever found.
Scientists studied the bones to learn about how the dinosaur lived, grew, and what might have hurt it.
You can see Sue's skeleton at a museum in Chicago.
Fossil hunter Sue Hendrickson discovered a nearly complete Tyrannosaurus rex skeleton on August 12, 1990.
The T. rex, nicknamed 'Sue,' was found in South Dakota's Cheyenne River Indian Reservation.
The skeleton is recognized as one of the largest and most intact T. rex specimens ever found.
The discovery provided insights into the T. rex's biology, behavior, and evolution.
'Sue' is on display at the Field Museum in Chicago.
- Who
- Fossil hunter Sue Hendrickson
- What
- The discovery of a nearly complete Tyrannosaurus rex skeleton.
- When
- August 12, 1990
- Where
- South Dakota’s Cheyenne River Indian Reservation
- Why
- To understand the biology, behavior, and evolution of Tyrannosaurus rex.
- Discovery Date
- August 12, 1990
- Dinosaur Type
- Tyrannosaurus rex
- Nickname
- Sue
- Location
- South Dakota
- Significance
- Largest and most complete T. rex skeleton found
- Current Location
- Field Museum, Chicago
