If you need some motivation to keep from eating too much this Thanksgiving, here it is: Doctors in Romania pulled an 11 cm (4.3 inch) living, writhing round worm from a woman’s left eyelid. According ...

For decades, one of the strangest animals in the fossil record was drawn literally upside down and back to front. The creature is called Hallucigenia, a spiky worm from the Cambrian seas about 508 ...