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Space · Benton HarborA new analysis of an exquisitely preserved fossil that lived half a billion years ago suggests that arachnids—spiders and their close kin—evolved in the ocean, challenging the widely held belief that their diversification happened only after their common ancestor had conquered the land.See the Story
Fossilized Nervous System Points to Ocean Origins for Spiders and Relatives
41% Right coverage: 17 sources

Fossils · ArizonaBy Kameryn Griesser, CNN (CNN) — Paleontologists have discovered remarkable fossils in the Grand Canyon that reveal fresh details about the emergence of complex life half a billion years ago. The newfound remains of fauna from the region suggest that it offered ideal conditions for life to flourish and diversify, in a “Goldilocks zone” between harsh extremes elsewhere. This evolutionary opportunity produced a multitude of early animals, includin…See the Story
Fossils Unearthed in Grand Canyon Reveal New Details of Evolutionary Explosion of Life
75% Center coverage: 12 sources