The fossil is estimated to be about 100 million years old. — -- The skeleton of a 100 million-year-old fish "with an incredibly swordfish-like head and monstrous teeth" has been unearthed in the ...

New pieces have been added to the puzzle of the evolution of some of the oldest fish that lived on Earth more than 400 ...

Long before humans evolved, a small eel shaped creature swimming in ancient seas carried eyes that look strikingly familiar.

The first known cases of accidental choking have been discovered, dating back 150 million years, when some opportunistic fish got more than they bargained for picking off algae and slime from dead ...

A study published in the Nature journal alters how the evolution of fish has been historically understood. Fossilized fish and other sea creatures have often been pivotal in new scientific discoveries ...

The fossils offer a rare glimpse into a cataclysmic event that brought a sudden end to the greatest explosion of life in our planet's history.