Maybe T. rex did not live alone.

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.