Animals • April 18, 2026
Embryo Fossil is Missing Puzzle Piece Thrilling Scientists with Oldest Proof that Mammal Ancestors Laid Eggs
Originally published on Good News Network

A remarkable new discovery is shedding light on one of the greatest survival stories in Earth’s history—and answering a decades-old scientific mystery. Lystrosaurus, a hardy, plant-eating mammal ancestor, rose to prominence following a mass extinction some 252 million years ago—the most devastating extinction event our planet has ever experienced. While countless species vanished, Lystrosaurus not
A remarkable new discovery is shedding light on one of the greatest survival stories in Earth’s history—and answering a decades-old scientific mystery. Lystrosaurus, a hardy, plant-eating mammal ancestor, rose to prominence following a mass extinction some 252 million years ago—the most devastating extinction event our planet has ever experienced. While countless species vanished, Lystrosaurus not
Originally published on Good News Network.
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