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Even jellyfish get sluggish if they don’t have enough sleep

Life

Even jellyfish get sluggish if they don’t have enough sleep

Jellyfish show all the signs of going to sleep, even though they do not have brains – which were thought to be an essential requirement for slumber

News

Fossilised worm holes

Environment

Tiny worm burrows may reveal when first complex animals evolved

News

A snail feasting on the excrement of a sea lily

Life

Sea stars filmed hunting squid and squabbling over eating it

News

A deuterostome

Life

Ancestor of all vertebrates was a big mouth with no anus

News

Life

New hermit crab has candy-stick legs and a giant spoon-like claw

News

octopus

Life

Glass invertebrates reveal the plight of modern oceans

Regulars

Environment

Sawfish is first vertebrate known to clone itself in the wild

News

Zoologger: The semaphore 'worms' as big as sperm whales

Environment

Zoologger: The semaphore 'worms' as big as sperm whales

News

Zoologger: Hero ant jumps off cliff to eject invaders

Life

Zoologger: Hero ant jumps off cliff to eject invaders

News

Earth

Neonicotinoid pesticides are bad news for everything

First it was the bees, now a major report suggests a host of wildlife is being harmed by the widely-used neonicotinoid pesticides

News

Life

Zoologger: Deep-freeze maggot feeds on new form of fat

News

Life

The stripy stick insect that walked with dinosaurs

News

Life

Zoologger: Baby assassin bugs lure in deadly ants

News

Life

Do invertebrates feel pain?

Features