A nimal life is a recent addition to Earth, relatively speaking. The planet formed about 4.5 billion years ago, with ...

Researchers in Alberta uncovered a fossil fish that rewrites the evolutionary history of otophysans, which today dominate freshwater ecosystems. The new species, Acronichthys maccognoi, shows early ...

A tiny fossil, Acronichthys maccognoi, rewrites fish evolution in North America and reveals how otophysans conquered freshwater habitats.

Over the years, Ash has made many questionable decisions as a trainer, but the sheer number of Pokémon he's basically discarded might be the strangest yet. Sure, sending Pokémon to Professor Oak or ...