Sixty-six million years ago, a Tyrannosaurus rex went for a stroll across what’s now North Dakota.
Why it matters: Denver scientists just retraced its steps, unearthing what they say is the first known trackway left by an adult T. rex…
Sixty-six million years ago, a Tyrannosaurus rex went for a stroll across what’s now North Dakota.
Why it matters: Denver scientists just retraced its steps, unearthing what they say is the first known trackway left by an adult T. rex…