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astrobiology

Space

Was 2025 the year we found signs of past life on Mars?

Tantalising signs of past microbial life showed up on Mars this year, but to truly know whether they contain the answer to the biggest question in the universe, we will need to bring samples back to Earth

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Space

Europa's thick ice may hinder the search for life in its oceans

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The essential guide to proving we’ve found alien life

Space

The essential guide to proving we’ve found alien life

Features

Life

Cloud microbes' colours could help us detect life on other planets

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Space

Lunar missions may contaminate the moon with hardy Earth microbes

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Collecting rock samples in Antarctica

Environment

Hot methane seeps could support life beneath Antarctica’s ice sheet

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Space

Astronomers claim strongest evidence of alien life yet

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2FMXX1B USA. Jeff Goldblum in a scene from (C)Universal Pictures film: Jurassic Park (1993). Plot: A pragmatic paleontologist visiting an almost complete theme park is tasked with protecting a couple of kids after a power failure causes the park's cloned dinosaurs to run loose. Director: Steven Spielberg Ref: LMK110-J7096-110521 Supplied by LMKMEDIA. Editorial Only. Landmark Media is not the copyright owner of these Film or TV stills but provides a service only for recognised Media outlets. pictures@lmkmedia.com

Life

How to think about the most contentious ideas in science

Leader

The story of mirror life: From intriguing idea to unprecedented threat

Life

The story of mirror life: From intriguing idea to unprecedented threat

Features

Image of Mars showing the Acidalia Planitia as a darker region towards the top right

Space

Life on Mars could be surviving in an area deep underground

The Acidalia Planitia region of the Red Planet might have all the requirements for methane-burping bacteria to exist beneath the surface

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Space

Bacteria found in asteroid sample – but they're not from space

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Space

Complex chemicals found on Enceladus improve prospects for life

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Space

Why NASA is sending a probe to Europa – and what it’s looking for

Features

Life

Top astrobiologist explores the possibilities of alien life

Culture

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