The Colossal Biosciences artificial egg — a silicone-membrane synthetic shell system — successfully hatched 26 healthy chickens, the Dallas-based de-extinction company announced on May 19, 2026. Colossal Biosciences describes the breakthrough as a foundational step toward its goal of resurrecting extinct bird species, including New Zealand’s South Island giant moa and Mauritius’s dodo. What the Colossal Artificial Egg System Is The Colossal artificial egg is a two-component system: a semi-permea...