Ask which animal on Earth is the longest, and most people reach for the blue whale. Yet a strong contender is a thin, slimy marine ribbon that most beachgoers would never look at twice. The bootlace ...

A massive earthworm discovered by an English gardener has wriggled its way into the United Kingdom’s record books. As National Geographic reports, the 16-inch worm—nicknamed Dave—bears the proud ...

At their longest, ribbon worms can grow up to 180 feet, or the equivalent of two blue whales or 720 gummy worms. Turns out, these lanky crawlers also have lengthy lifespans. For over 20 years, the ...