Rare fossil cache provides unprecedented insight into pterosaur nesting, growth, and the controversial dawn of life. A sandstone slab of roughly 3.28 m² uncovered in Xinjiang, China, contains at least 215 fossil eggs belonging to the pterosaur...

describing the find as “like a unicorn.” Subsequent expeditions in 2022 recovered two more crests and additional jaw fragments, confirming that the remains represented a distinct species rather than an odd specimen of the known spinosaur. Moments upon...