This deep-sea polar worm looks like it can't decide if it's dressed for a glitzy party or a gruesome massacre.

Their alien-like appearance and intriguing hunting methods make velvet worms a captivating subject for scientists and nature ...

Why it's awesome: With their shimmering golden coats, these worms almost look glamorous — until you see their horrifying jaws, which resemble the mouth of the xenomorph from "Alien." The worms ...