Mammal ancestors laid eggs, and this 250-million-year-old fossil finally proves it - ScienceDaily
In the aftermath of Earth’s most catastrophic extinction event, one unlikely survivor rose to dominate a shattered world: Lystrosaurus. Now, a stunning fossil discovery—an ancient egg containing a curled-up embryo—has finally answered a decades-old mystery ab…
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By Science Daily
Thursday, April 16, 2026 · 3h ago
Photo: Science Daily's photo
A new fossil discovery is bringing fresh insight into one of the most remarkable survival stories in Earth's history while also resolving a scientific mystery that has puzzled researchers for decades…Read more
