Scientists recently revealed that they have "brought back" extinct dire wolves thanks to genetic engineering — but experts say the newly created animals are only like dire wolves in appearance. When ...

Colossal Biosciences claims it has revived an extinct species, but scientists outside the company are skeptical. Somewhere in the northern US, drones fly over a 2,000-acre preserve, protected by a ...

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 ...