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Physics

Aliens slumbering for billions of years are out there – really?

Trying to explain the Fermi paradox by invoking aliens that sleep for aeons is a speculative idea to be taken with a large pinch of salt, says Geraint Lewis

Comment

A fishing boat

Earth

Australia to expand commercial fishing in marine sanctuaries

News

A salmon swimming upriver to spawn

Life

Baby salmon with ‘old’ DNA more likely to survive epic migration

News

Giant deep-sea worms may live to be 1000 years old or more

Life

Giant deep-sea worms may live to be 1000 years old or more

News

Mud eel's wonky body may help it ambush prey

Life

Mud eel's wonky body may help it ambush prey

News

Mars rover wheel tracks

Life

The best way to detect aliens may be by finding their footprints

News

humpback whale feeding next a salmon hatchery

Life

Whales sneak into shallow water to eat salmon from hatcheries

News

A possible view on an alien world: mountaintops poking through mist and two suns visible in the sky

Space

The exoplanet zoo – a whistle-stop tour

Features

surface of Mars

Life

The ethics issue: Should we colonise other planets?

Features

Marine zooplankton

Earth

Oil-exploration airguns punch 2-kilometre-wide holes in plankton

The seismic airguns used to look for undersea oil don’t just disrupt marine mammals, their shock waves also kill and disperse the plankton population

News

Life

Two-headed porpoise caught in fishing net is first ever found

News

Earth

Ocean plastics from Haiti’s beaches turned into laptop packaging

News

Space

Messages from fake aliens decoded quickly in online SETI contest

News

Life

Mars rover sees signs of microbe-friendly layers in ancient lake

News