Scientists are scratching their heads over why three mammal-eating orcas turned up in Seattle waters in March, having apparently traveled 1,500 to 2,000 miles...
While exploring a cave in central Texas, scientists unearthed a long-lost ice-age ecosystem, including the remains of a giant tortoise and a lion-size armadillo...
You can find several other crocodilian species in the wild, but only the spectacled caiman (Caiman crocodilus) occurs naturally in Florida.
This smaller reptile has...
