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The message we're sending to nearby aliens is no threat to Earth

Space

The message we're sending to nearby aliens is no threat to Earth

Critics fear provoking hostile extraterrestrials by beaming messages to our closest exoplanets but there's no need to worry, says METI president Douglas Vakoch

Comment

Artist’s impression of GJ273 star system

Space

We just sent a message to try to talk to aliens on another world

News

We've just found a nearby exoplanet that could be right for life

Space

We've just found a nearby exoplanet that could be right for life

News

Enceladus’s hot, gritty core may cook up ingredients for life

Space

Enceladus’s hot, gritty core may cook up ingredients for life

News

artist's impression of an exoplanet

Space

We may have found 20 habitable worlds hiding in plain sight

News

Pistol shrimp

Life

How a tiny shrimp fires a savage shock wave using just its claw

News

Seal pups get separated from their mums by icebreaker ships

Life

Seal pups get separated from their mums by icebreaker ships

News

Hand holds a starfish

Life

Hundreds of Japanese species floated to the US on tsunami debris

News

Cutting off a shark fin

Life

Banning shark fin soup in the US is bad for shark conservation

Comment

Alligator bites shark

Life

Alligators versus sharks: Who wins this ultimate showdown?

A review of historical accounts shows there have been several alligator-on-shark grudge matches, hinting at an unlikely food source

News

Life

Robots can hitch-hike on sharks thanks to ultrastrong sucker

News

Space

Our closest star system may be home to a stolen star and planet

News

Life

There are hardly any old fish left in the ocean – and that’s bad

News

Life

Five mythical animals that turned out to be real

Features