This 505-million-year-old phallus-like creature actually had a throat full of teeth.
The creatures, which still exist today, feasted on prehistoric reptiles more than 100 million years ago, a new study finds.
The strange glow worms may use their phosphorescence to lure unsuspecting flies and ants into their waiting, open jaws.
The invasive species native to Japan and the Korean peninsula is no friend to forests or gardeners.
The end of stitches is near! Scientists have been experimenting with different adhesives, and one of the most promising is from sandcastle worms, which excrete an adhesive substance that could hold things together in, say, a human heart!
Caenorhabditis elegans worms, descendants from worms that survived the 2003 shuttle Columbia disaster, have just become the next generation to do science in orbit.