A newly spotted interstellar visitor just got an unusually close listen from California scientists — in a search for signs of ...

Scientists have identified interstellar comet 3I/ATLAS as the oldest known object to pass through the solar system, dating back 10–12 billion years. James Webb Space Telescope observations show it ...

In July 2025, astronomers detected 3I/ATLAS, a rare interstellar comet, prompting SETI researchers to scan it for alien ...

Scientists in California have completed one of the first dedicated searches for signs of alien technology on 3I/ATLAS, the ...

Only three objects from beyond our solar system have ever been caught passing through it. The first, 1I/’Oumuamua, arrived in ...

Could the interstellar object 3I/ATLAS exhibit technosignatures, or signals of alien technology? This is what a recent study published in The Astronomical | Space ...

Juice observed 3I/ATLAS during perihelion, when Earth-based telescopes could not. Spectroscopic observations measured water ...

The SETI Institute is the latest to confirm what scientists have long suspected: the interstellar 3I/ATLAS comet is not an ...

The interstellar comet 3I/ATLAS may be almost three times older than the Solar System and have a unique chemical composition.

3I/ATLAS is surrounded by “a complex jet structure,” new images show, sparking fresh speculation that the Manhattan-sized interstellar object could be an artificial alien craft. The images, captured ...

Exactly where the comet 3I/ATLAS came from within the Milky Way remains a mystery.

Based on evidence collected by the James Webb Space Telescope, researchers have found that interstellar comet 3I/ATLAS could ...