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Diane Troxell, of Oxford, searches for feral cats behind buildings, inside barns and under porches before she loads them into a van for spaying or neutering to help prevent the overpopulation of cats.

Surprisingly, genome comparisons have failed to resolve a major question in animal evolution: Which living animals are the descendants of the earliest animals to evolve in the world's oceans?

DES MOINES, Iowa — Blank Park Zoo is looking for a veterinary technician to help care for the thousands of animals that call ...

Sperm whale near the Azore Islands in Portugal. History is all too human—busy with battles, emperors, and land grabs. Yet, it is our relationship with animals that has changed the face of the planet, ...