How much evidence do scientists need to claim they’ve found alien life?
The universe is filled with countless galaxies, stars and planets. Astronomers may find life one day, but they will need ...
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Will we ever have confirmation of life outside our solar system? todayheadline
Artist’s impression of the exoplanet K2-18bA. Smith/N. Mandhusudhan One of the strongest signs of life outside Earth was announced this ...
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K2-18 b could have dimethyl sulfide in its air. But is it a sign of life?
A hycean world — one with a global water ocean and a hydrogen-rich atmosphere — orbits a red dwarf star ...
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Mystery ‘interstellar icy objects’ are carrying the seeds of life
Back to Article List These icy bodies contain organic molecules — and don’t fall into any known category of celestial ...
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Curiosity discovers largest organic molecules yet on Mars
The Curiosity Mars rover took this selfie in October 2019 after drilling into the rock twice at its location. Credit: ...
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The ‘drones’ over New Jersey are almost certainly not aliens
Back to Article List Anyone tempted to ascribe the nighttime sightings of aircraft to alien intelligence ought to be dissuaded ...
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Could deuterium be the key to finding aliens?Â
Back to Article List Heavy hydrogen could be important in long-range detections of civilizations, says a pioneering astronomical study. Kepler-1649 ...
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Exoplanet plate tectonics: A new frontier in the hunt for alien life todayheadline
Mark Garlick/Science Photo Library/Alamy There is something strange about Earth. A few billion years ago, a process started here that ...
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