Group 9 Created with Sketch. Group 13 Created with Sketch. Pause Created with Sketch. Combined Shape Created with Sketch. Group 12 Created with Sketch. Group 12 Created with Sketch. Shape Created with Sketch. Group 10 Created with Sketch. Shape Created with Sketch. Fill 15 Copy Created with Sketch. Shape Created with Sketch. Group 13 Created with Sketch. Group 16 Created with Sketch. Group 3 Created with Sketch. Group 13 Created with Sketch. Group 16 Created with Sketch. Group 18 Created with Sketch. Group 19 Created with Sketch. Group 21 Created with Sketch. Group 22 Created with Sketch.
|

New fossils suggest T. Rex hunted in packs

As if one single tyrannosaurus rex weren't menacing enough, there's now evidence that these massive carnivores might have hung out in posses. Here to tell us more is Brian Switek, who writes about all things dino for National Geographic.