Biological Evolution: Unity and Diversity
- Animals
When the giant ants went marching
A new study of an ancient fossil suggests that 50 million years ago, supersized ants went on a cross-continental trek.
- Fossils
Dangerous dinos in the dark
Eye fossils reveal predatory dinosaurs’ preference for hunting at night.
- Environment
Busy bacteria leave big mark
Earth’s earliest life-forms built mounds on an Antarctic lake bottom.
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- Animals
Eating can be skin deep
In the laboratory, bottom-dwelling hagfish absorb nutrients through the skin.
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- Fossils
Dinosaur Eggs-citement
Scientists have found dinosaur eggs, with their shells on, inside a female dino fossil.
- Fossils
Dino Flesh from Fossil Bone
Scientists may have found dinosaur blood vessels and cells inside a fossilized leg bone.
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- Fossils
Big fish in ancient waters
Fossils have revealed an ancient, oversized relative of modern-day swordfish.
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- Fossils
Ancient critter caught shedding Its skin
A fossil reveals that ancient animals shed their skin, just as insects and crustaceans do today.
