More mammals were living on the ground several million years before the mass extinction event that wiped out the dinosaurs, ...

Plants don't just grow, they build. From towering trees to delicate flowers, complex plant shapes are sculpted with ...

Single-celled organisms that group together can generate stronger water currents to pull in food, a benefit that may have ...

Life emerged on Earth some 3.8 billion years ago. The "primordial soup theory" proposes that chemicals floating in pools of water, in the presence of sunlight and electrical discharge, spontaneously ...

Prototaxites fossils continue to divide scientists. These 400-million-year-old structures may belong to a completely extinct ...