Rare Discovery: T. Rex Hatchlings Were Cat-Sized and Born by the Dozen

Seventy-five million years after a nest fell silent, science is finally learning how the most fearsome predator of the Mesozoic began its life — not as a titan, but as something small enough to cradle in a human hand. Fossilized T. rex hatchlings, recovered in rare and remarkable condition, reveal that these animals entered the world in clutches of a dozen or more, cat-sized and profoundly vulnerable, before embarking on one of the most dramatic growth journeys in the history of life on Earth. The discovery does not merely add a footnote to what we know of Tyrannosaurus rex — it opens an entir