Three unique-looking wolf pups have just been born in an American laboratory. Their special feature? Their DNA combines genes from gray wolves and sequences dating back 13,000 years. This birth marks ...
Epicyon haydeni, or Hayden’s bone-crushing dog, roamed North America between 12 and 6 million years ago during the middle to late Miocene epoch. Its fossils have been discovered in at least 12 ...
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