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Alien megaprojects: The hunt has begun

Life

Alien megaprojects: The hunt has begun

With scans for alien radio signals drawing a blank, three teams are now searching for signs of extraterrestrial engineering, as Stephen Battersby reports

Features

Curiosity's discoveries hint at life's cradle on Mars

Life

Curiosity's discoveries hint at life's cradle on Mars

News

Life

Closest Earth-like world could be 6.5 light years away

News

Rover finds first life-friendly environment on Mars

Life

Rover finds first life-friendly environment on Mars

News

Life

The search for ET is a detective story without a body

Books & Arts

Life

We need a piece of Mars to continue search for life

Opinion

Huge telescopes could spy alien oxygen

Life

Huge telescopes could spy alien oxygen

News

Life

Comet rain took life's ingredients to Jupiter's moons

News

Extreme life might be visible on colourful exoplanets

Life

Extreme life might be visible on colourful exoplanets

News

Did Mars hide life in its watery pockets?

Life

Did Mars hide life in its watery pockets?

Clays and carbonates found in a Martian crater might be deposits from groundwater that could have nourished life long after the planet's surface dried up

News

Life

Only the toughest would survive on Tatooine worlds

News

Life

Van-sized space rock is a cosmic oddball

News

Life

Nearby Tau Ceti may host two planets suited to life

News

Life

2013 Smart Guide: Curiosity to reach Mars mother lode

News