Maybe T. rex did not live alone.

A boy looks at a model of a T. rex. (AP)
Researchers found fossils. They went to a lab. (Dr. Alan Titus/Bureau of Land Management via AP)
The Grand Staircase-Escalante National Monument is in Utah. (AP/Douglas C. Pizac)
This T. rex fossil is from South Dakota. Shoppers at this Hong Kong mall can see it. (AP/Kin Cheung)
This fossil was found in the Grand Staircase-Escalante National Monument. (Dr. Alan Titus/Bureau of Land Management via AP)

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Scientists once thought T. rex dinosaurs lived by themselves. Alan Titus found a huge grave full of T. rex fossils in Utah.

What do the bones tell us? Did these dinos live in pairs or packs?

Read More: Alan Titus is a paleontologist. He studies fossils. He found the grave site in the Grand Staircase-Escalante National Monument. It is the third such place discovered in North America. Most scientists once believed Tyrannosaurus rex dinosaurs lived and hunted alone. But these discoveries now have some experts wondering if they were wrong. Only God knows how dinosaurs lived. He created them! See Genesis 1:24.