This story appears in the October 2018 issue of National Geographic magazine ... and eat them. Scary, squishy, cool, brainless, mesmerizing—jellyfish are all of these and a whole lot more.

Wildlife enthusiasts love to see images of rare species. There was some good news in 2024 for species on the verge of disappearing. Extinct for 4,000 years, scientists are inching closer to ...