The discovery of an embryo fossil provides the oldest evidence that mammal ancestors laid eggs, offering insights into the evolutionary history of Lystrosaurus.

Embryo Fossil is Missing Puzzle Piece Thrilling Scientists with Oldest Proof that Mammal Ancestors Laid Eggs https://web.brid.gy/r/https://www.goodnewsnetwork.org/embryo-fossil-is-missing-piece-of-puzzle-thrilling-scientists-with-worlds-oldest-proof-that-mammal-ancestors-laid-eggs/

DATE: April 18, 2026 at 11:35AM SOURCE: GOODNEWSNETWORK.ORG TITLE: Embryo Fossil is Missing Puzzle Piece Thrilling Scientists with Oldest Proof that Mammal Ancestors Laid Eggs URL: https://www.goodnewsnetwork.org/embryo-fossil-is-missing-piece-of-puzzle-thrilling-scientists-with-worlds-oldest-proof-that-mammal-ancestors-laid-eggs/ 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 […] The post Embryo Fossil is Missing Puzzle Piece Thrilling Scientists with Oldest Proof that Mammal Ancestors Laid Eggs appeared first on Good News Network. URL: https://www.goodnewsnetwork.org/embryo-fossil-is-missing-piece-of-puzzle-thrilling-scientists-with-worlds-oldest-proof-that-mammal-ancestors-laid-eggs/ ------------------------------------------------- This robot is not affiliated with the goodnewsnetwork.org . #psychology #depression #goodnews #goodnewsthread #happy #happynews #SpreadJoy #PositiveVibes #CommunityLove #SpreadLight #goodnewnetworkorg #positivescience #science @goodnews

Embryo Fossil is Missing Puzzle Piece Thrilling Scientists with Oldest Proof that Mammal Ancestors Laid Eggs https://www.goodnewsnetwork.org/embryo-fossil-is-missing-piece-of-puzzle-thrilling-scientists-with-worlds-oldest-proof-that-mammal-ancestors-laid-eggs/ #goodnews #science #paleontology #fossil #SouthAfrica