
How a radical redefinition of life could help us find aliens
19 June 2023
Sara Imari Walker, who developed Assembly Theory with chemist Lee Cronin, explains how the theory's definition of life might help us find it on other planets

19 June 2023
Sara Imari Walker, who developed Assembly Theory with chemist Lee Cronin, explains how the theory's definition of life might help us find it on other planets

28 January 2022
Microorganisms have adapted to one of the harshest environments on Earth, a sulphurous and acidic lake that is considered an analogue to ancient lakes on Mars

15 May 2021
In the latest sci-fi novel from The Martian author, Andy Weir, an unlikely duo battle to avert the decline of our sun (and the collapse of life on Earth)

17 June 2020
Vast oceans within the moons of Jupiter and Saturn could be hidden hotspots for life. NASA astrobiologist Kevin Hand reveals his plans to find it

3 March 2020
A team of researchers say they have discovered a protein molecule inside a meteorite, the first extraterrestrial example ever found, but others are sceptical

13 November 2019
Microbes that breathe sulphur could redefine what it means to be alive and provide clues about what organisms may lurk in the cosmos

18 October 2019
From memorious clothing to wasteless habitats, the reality of living on Mars is brought home at London's Design Museum with genuine optimism

7 October 2019
Brown dwarfs are too large to be planets and too small to be stars, but they have gaseous atmospheres that may have all the ingredients needed for life

28 August 2019
Next-generation telescopes and new ways of detecting life on other planets are transforming the search for extraterrestrials. We may finally be about to find out if aliens exist

29 March 2019
Even if there is water on Mars’s surface it may be too cold and salty for life as we know it to survive there – so there is no risk of contaminating Mars with Earth microbes