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Japan's Hayabusa2 spacecraft snapped pictures of the asteroid Ryugu while flying alongside it two years ago. The spacecraft later returned rock samples from the asteroid to Earth.

Space

The asteroid Ryugu has all of the main ingredients for life

All five of the canonical nucleobases – the underpinnings of DNA, RNA and life on Earth – have been found in samples from the asteroid Ryugu

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NASA's Solar Dynamics Observatory captured this image of a solar flare on Oct. 2, 2014. The solar flare is the bright flash of light on the right limb of the sun. A burst of solar material erupting out into space can be seen just below it. Full 4k full-disk view. https://svs.gsfc.nasa.gov/11670/

Space

SETI may have missed alien signals because of space weather

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Space

Chemistry clues could detect aliens unlike any life on Earth

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Person looking up at starry night at Spiral Jetty, USA. Provider: Alamy Stock Photo Source: www.alamy.com Copyright: Celestine Dagli/Alamy

Physics

Would aliens do physics, or is science a human invention?

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Space

Search for radio signals finds no hint of alien civilisation on K2-18b

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MB05RG Oysters and champagne with lemon wedge and mignette dressing on white plate on blue distressed vintage table.

Life

New ��˾þ� recommends The Big Oyster: History on the half shell

Culture

Weird and wonderful fungi should be so much more than sci-fi villains

Life

Weird and wonderful fungi should be so much more than sci-fi villains

Comment

Chemistry

RNA strand that can almost self-replicate may be key to life's origins

News

How teaching molecules to think is revealing what a 'mind' really is

Mind

How teaching molecules to think is revealing what a 'mind' really is

Features

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

The essential guide to proving we’ve found alien life

Features

Space

Hopes of finding aliens were raised in 2025 – but quickly faded

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Space

Earth and solar system may have been shaped by nearby exploding star

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Space

Odd elements in supernova blast might have implications for alien life

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