Near Kalamazoo, Michigan, one naturalist's curious photo turned out to be a big discovery. A bee with a rusty patch across its abdomen — a feature so distinctive it almost could not be missed — was ...

Across North America, archaeologists are pulling remarkable stories out of the ground, from Ice Age footprints to buried cities that once pulsed with trade and ritual. As I follow these digs, I see a ...

Britt Hertz finds a city made entirely of ice during an adventure.