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Alien life

Space

Why the Drake equation is still important 65 years after its creation

The Drake equation provides a way to guess how many aliens we might be able to communicate with, but it鈥檚 also a prime example of the importance of scientific guessing, says columnist Leah Crane

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Life

How I made a slime mould the protagonist of my new sci-fi novel

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Space

We鈥檝e found a rocky, temperate planet鈥檚 atmosphere for the first time

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Space

The one film to watch before seeing Steven Spielberg鈥檚 Disclosure Day

Culture

Space

The distant world that is our best hope of finding alien life

Features

Space

US government releases huge batch of UFO files

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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

Planet K2-18b, an apparent water world 124 light years away, has been seen as a promising location in the search for aliens, but telescopes on Earth failed to pick up any radio transmissions

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Space

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

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Space

The essential guide to proving we鈥檝e found alien life

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Space

Hopes of finding aliens were raised in 2025 鈥� but quickly faded

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Space

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

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