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Nature & Wildlife

Discover the remarkable lives, behaviors and ecosystems that make our planet endlessly surprising.

Fossil skeleton of the ancient whale Basilosaurus in a museum display
EDITOR’S PICK

How Whales Went From Walking on Land to Living in the Ocean

Whales carry the history of land mammals inside their ears, ankles, spines and genes. Their fossil record documents one of evolution’s most dramatic returns to the sea.

Sep 16, 2026 • 4 min readRead the discovery →
LATEST

Latest discoveries

New stories, explanations and research from Nature & Wildlife.

Tan dog sniffing the ground while walking on a beach
Animal Biology

How Can Dogs Smell So Well?

Dogs smell so well because their noses capture and analyze odour molecules with remarkable efficiency. Sniffing directs pulses of air into a large folded…

Oct 10, 2026 • 13 min read
Several ants travelling together while carrying food
Animal Behavior

How Do Ants Find Food?

Ants find food through a combination of individual searching and colony communication. A scout explores using smell, touch, vision, path integration and local memory.…

Oct 7, 2026 • 13 min read
North American beaver standing beside water in a mountain park
Animal Behavior

How Do Beavers Build Dams?

Beavers build dams by cutting and transporting woody material, anchoring branches across moving water and packing gaps with mud, plants and stones. The sound…

Oct 7, 2026 • 14 min read
Canada goose flying above a wetland landscape
Birds

How Do Migrating Birds Find Their Way?

Migrating birds navigate with a flexible toolkit. Depending on species, age and conditions, they can use the Sun, stars, Earth’s magnetic field, polarized light,…

Oct 7, 2026 • 14 min read
Barn owl flying low over grass with its pale wings extended
Animal Behavior

How Do Owls Fly So Silently?

Owls reduce flight noise through a combination of broad wings, slow wingbeats and specialized feathers. Comb-like serrations on the leading edge, a porous fringe…

Oct 6, 2026 • 13 min read
Several sharks swimming together through clear blue seawater
Animal Biology

How Do Sharks Sense Electric Fields?

Sharks and rays detect weak electric fields with ampullae of Lorenzini: clusters of sensory cells connected to seawater by gel-filled canals and skin pores,…

Oct 6, 2026 • 13 min read
Small gilled mushrooms growing among moss and forest vegetation
Fungi

How Do Mushrooms Reproduce?

A mushroom is usually the spore-producing fruit body of a much larger fungus. Specialized cells on gills, pores or other surfaces make microscopic spores,…

Oct 6, 2026 • 13 min read
Edible dormouse curled tightly in a nest during winter hibernation
Animal Biology

Why Do Some Animals Hibernate?

Animals hibernate to conserve energy during predictable cold or food scarcity. Hormonal and nervous-system changes lower metabolism, and many small hibernators allow body temperature,…

Oct 6, 2026 • 12 min read
Sunlight filtering through a dense canopy of green leaves and branches
Nature & Wildlife

How Do Trees Pull Water Upward?

Trees move most water upward through xylem using cohesion–tension. Water evaporating from leaves lowers pressure in the xylem. Cohesion between water molecules transmits that…

Oct 6, 2026 • 12 min read
Bat flying through a dark abandoned mine shaft
Animal Behavior

How Do Bats Use Echolocation?

Many bats echolocate by emitting high-frequency calls and analysing returning echoes. Delay indicates distance, differences between the ears reveal direction, spectral changes carry information…

Oct 5, 2026 • 13 min read