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New Scientist. Science news and long reads from expert journalists, covering developments in science, technology, health and the environment on the website and the magazine.

Mars rover wheel tracks

Life

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

The first sign of aliens might not be microbes or radio signals but fossilised imprints or excrement left on the solid surfaces of Mars or Titan

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

Very Large Array radio telescope

Space

Messages from fake aliens decoded quickly in online SETI contest

News

Mars strata

Life

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

News

meteorites landing on early Earth

Space

Microbes might thrive after crash-landing on board a meteorite

News

Odds on: 10 science breakthroughs you can bet on

Life

Odds on: 10 science breakthroughs you can bet on

Features

Martian surface

Space

Martian life must be rare as free energy source remains untapped

News

SETI

Life

We still haven’t heard from aliens - here’s why we might never

News

LHS 1140b

Space

The five best exoplanets in the galaxy to check for alien life

The announcement of a new habitable, “Earth-like” planet made us wonder – where should we look first?

News

Space

Cassini finds final ingredient for alien life in Enceladus’s sea

News

Space

A little less ET, a little more astrophysics, if you please

Comment

Space

TRAPPIST-1 worlds are close enough for life to hop between them

News

Space

Exoplanet discovery: Seven Earth-size exoplanets may have water

News