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Interstellar comet 3I/ATLAS isn't an alien spacecraft, astronomers confirm. 'In the end, there were no surprises.'

Bad news for those hoping interstellar invader 3I/ATLAS is an alien spacecraft as technosignature search turns up empty.
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Alien-hunters scanned comet 3I/ATLAS: here’s what turned up

In the span of a few months, comet 3I/ATLAS became a real-world stress test for humanity’s most sensitive “are we alone?” ...

Astronomers examine rare interstellar comet for signs of technology

The observations were carried out by the Breakthrough Listen program as the object neared its closest approach to Earth on ...

Comet 3I/ATLAS: What Scientists Won't Say — and Why Silence Is Fueling Alien Speculation

The unusual behaviour of interstellar comet 3I/ATLAS has reignited online debate, but astronomers say the gaps in public ...

8 burning theories that could prove 3I/ATLAS is an alien spacecraft, according to Harvard scientist

With 3I/ATLAS streaking away from our planet, speculation remains as to whether the interstellar comet is alien or not.

Comet 3I/ATLAS Interstellar: A Cosmic Trojan Horse or a Secret the CIA Won't Share?

Astronomer Avi Loeb suspects this interstellar visitor is a piece of alien technology, citing its unusual traits and the ...

Scientists pointed a giant telescope at 3I/ATLAS to scan for alien life — this is what they found

It is unclear whether a [3I/ATLAS] would transmit radio signals … such signals would take tens of thousands of years to cross ...

'Neither deny or confirm...': Interstellar comet 3I/ATLAS mystery deepens as CIA makes stunning revelation about cosmic visitor, contradicts NASA’s comet explanati…

The mystery around interstellar comet 3I/ATLAS has deepened after CIA said it could "neither deny nor confirm the existence ...

Interstellar comet 3I/ATLAS is just an ordinary comet, not an alien spacecraft, scientists confirm

Scientists scanned interstellar Comet 3I/ATLAS for alien signals using powerful radio telescopes, found nothing artificial, ...

3I/ATLAS Secrets: Scientists Clock Massive Water Loss From Alien Comet

Unlike the comets that call our solar system home, 3I/ATLAS is a cosmic nomad on a hyperbolic trajectory — a one-time flyby ...

From interstellar comets to alien clues: 2025’s top space discoveries

Mars. From forming black holes to phantom dark energy, discover the cosmic mysteries astronomers uncovered last year.

We might finally know whether interstellar comet 3I/ATLAS was an ‘alien spacecraft’

Discovered in July, 3I/ATLAS is not your average comet – it’s a giant snowball from beyond our solar system. The comet, ...