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extinction event

Coverage of extinction event in the Nexus archive.

Earliest in view: Apr 14 · 14:20 UTCMost recent: Apr 14 · 14:20 UTC
Co-mentioned in this coverage
Lystrosaurustopic1ancient eggtopic1advanced imaging technologytechnology1
Recent coverage
  • SCIENCEApr 14 · 14:20 UTCSCIENCE DAILY
    Mammal ancestors laid eggs, and this 250-million-year-old fossil finally proves it

    A 250-million-year-old fossil containing an ancient egg with a curled-up embryo has confirmed that mammal ancestors laid eggs, resolving a long-standing scientific debate. The discovery, made using advanced imaging technology, sheds light on how Lystrosaurus survived Earth's most catastrophic extinction event and reproduced. This finding highlights the evolutionary strategies of early mammals.