A rare visitor from another star system has undergone one of the most extensive technosignature searches ever conducted on an ...
Billions of years ago, while the solar system was still young, a massive object may have drifted into it. It's not a spaceship, but it is an alien visitor in its own right—a colossal interstellar body ...
On July 1, 2025, a NASA-funded sky survey spotted an object racing through the solar system on a path no gravitationally ...
One million alien visitors from another star system could already be lurking in the solar system. We aren't talking about "little green men" here, however — more "little (and not so little) gray rocks ...
A rare visitor from another star system prompted SETI to hunt for alien technology, but the mysterious object appears to be a ...
On July 1, 2025, astronomers caught sight of a mysterious object racing through the solar system. This object, now named 3I/ATLAS, became only the third known visitor from outside our planetary ...