-million-year-old

A 480-million-year-old fossil changes what we know about the origin of parasites

For a long time, scientists believed that parasitic relationships between marine species developed much later in Earth’s history. But new…

November 7, 2025

For decades, scientists have debated whether the earliest humans survived mainly by hunting animals or scavenging carcasses left behind by…

May 6, 2026

For years, the evolution of flight seemed fairly straightforward. Dinosaurs developed feathers, with some learning to glide, and eventually, birds…

May 12, 2026

May 4, 2026

November 7, 2025

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