What caused a once-thriving band of bighorn sheep in the Middle Missouri Breaks to vanish? Numerous studies have attempted to find clues to similar declines.

Romulus and Remus were made to look like dire wolves, but scientists question the science behind their de-extinction claims ...

What caused a once thriving band of bighorn sheep in the Middle Missouri Breaks to vanish? Numerous studies have attempted to find clues to similar declines.