14+ hour, 16+ min ago  (927+ words) A rare 450-million-year-old fossil with preserved soft tissue is revealing how some of Earth’s earliest reef animals lived and evolved. More than 450 million years ago, long before dinosaurs appeared or forests covered the continents, Earth’s shallow seas were already filled…...

6+ day, 13+ hour ago  (330+ words) Ancient deep-sea organisms suggest movement, sexual reproduction, and complex animal life began earlier than previously thought. Every animal alive today, from jellyfish to humans, traces its ancestry back to a pivotal moment when complex life first emerged from a world…...