Space
Why sending messages to extraterrestrials is controversial
If there are intelligent aliens out there, should we try to get in touch with them? And who should speak for Earth, asks professor of astronomy Chris Impey
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Space
Space rock or flashy alien technology? We’re going to find out
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The hunt for habitable ocean worlds beyond our solar system
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Space
Earth’s algae and moss could survive under the light of another star
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Enceladus shown to have all six of the essential elements for life
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Group that wants to contact aliens will transmit to TRAPPIST-1 system
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女生小视频s want to play chess with aliens as soon as we can find them
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Mars may have been habitable millions of years later than we thought
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Bacteria survive extremes that may have existed in ancient Mars lakes
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Maps of planetary nurseries will help the complex hunt for alien life
Five planetary nurseries have been chemically mapped in the most detail ever, showing hints of unexpected variety and high concentrations of the chemicals required for life
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Martian cave entrances may offer a life-friendly radiation shield
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Microbes burping methane on Mars may be right next to NASA rover
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The clouds of Venus are too dry to support life as we know it
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Clays found in Martian crater hint that the planet was once habitable
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