The Perseverance rover has been exploring Jezero Crater for years, but it's never found an otherworldly object quite like ...
From mudstones on Mars to strange gases in exoplanet atmospheres, tentative evidence for extraterrestrial life is starting to ...
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Aliens Are Probably Out There, NASA Scientist Says—But There’s a Dreadful Reason They Never Call
A NASA astrophysicist argues alien civilizations may be out there—but too quiet or distant for us to detect. Here’s the new ...
A mysterious interstellar comet known as 3I/ATLAS is about to make its closest approach to Earth in December 2025. Here's ...
Pluribus imagines Kepler-22b as an ocean world that sends a gift to humanity through radio waves. In real life, no such ...
A Harvard University astrophysicist has sparked a furious debate by warning he cannot rule out that extraterrestrials are ...
In the many decades of NASA exploration, there has only been one detection that got on that scale. It was collected by the ...
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NASA eyes 3I/ATLAS with alien-hunting Clipper spacecraft as comet approaches Earth
NASA's alien-hunting Europa Clipper spacecraft took seven hours of ultraviolet observations of interstellar comet 3I/ATLAS ...
SCIENTISTS are scratching their heads as 3I/ATLAS reaches its closest point to Earth, but it’s not behaving like a typical ...
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