Did certain small tyrannosaur fossils belong to “teen rex” or another species? New analysis of a recent fossil appears to have settled the debate.
For 40 years, dinosaur experts have been locked in a huge debate over diminutive fossils found in the Western United States. Did they belong to a teenage version of Tyrannosaurus rex, or to another species in the tyrannosaur family entirely?
A new st... [4178 chars]