When you lay an ostrich egg next to chicken, goose, and duck eggs, it's a bit like looking at a set of Russian matryoshka dolls, those cute little wooden moppets that nest snuggly inside of each ...

yet inside golden treasure is hid. What am I? And for archaeologists in Israel, eight prehistoric ostrich eggs – thought to be between 4,000 and 7,500 years old – proved as valuable as ...

The egg’s tough shell is an evolutionary marvel, providing protection and warmth for the developing chick inside. It takes roughly 42 days for an ostrich egg to hatch, during which the parents ...