Research into human-animal chimeras could have a therapeutic payoff, but the work brings up thorny ethical questions.

Coconut crabs are massive. Up to three feet in diameter, they scuttle across remote tropical islands in the western Indo-Pacific Ocean, cracking open coconuts like they’re made of butter, eating ...

Groundbreaking study shows machine learning can decode emotions in seven ungulate species. A game-changer for animal welfare? Can artificial intelligence help us understand what animals feel? A ...

Termites, ants, and hermit crabs build elaborate homes with no boss and no plan, and scientists are decoding how.

With a new database of medical images, zoo and wildlife vets can finally see what healthy uncommon animals, from rhinos and tamarins to pangolins and sea stars, should look like on the inside. With a ...

Sound science requires animal subjects to be physically, physiologically, and behaviorally unharmed. Accordingly, publication of methods that contravenes animal welfare principles risks perpetuating ...