More than half a billion years ago, strange worms and mollusks teemed in the shallow waters that covered where the Grand Canyon is today. That discovery came after Giovanni Mussini, a paleontologist ...
Scientists found the 500-million-year-old fossil of a "penis worm" in the Grand Canyon—and reconstructed how the creature would have used its strange mouth to feed. The newly discovered species of ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results