SETI researchers found no alien signals on interstellar object 3I/ATLAS, but the study refines future searches and expands ...

One year ago, on July 1, 2025, astronomers discovered a fascinating new object moving through the solar system. Detected by the Asteroid Terrestrial-impact Last Alert System (ATLAS), the object was ...

A new study into the 3I/ATLAS interstellar comet points to it having been born as far back as 12 billion years ago in a very ...

A rare visitor from another star system prompted SETI to hunt for alien technology, but the mysterious object appears to be a ...

An interstellar comet that passed through the Solar System last year may be up to 12 billion years old – far older than the Sun.

The interstellar comet emitted methane, a potential biosignature, as it passed the sun, physicist Avi Loeb says.

An interstellar comet that recently passed through the solar system may have formed as long as 12 billion years ago, making ...

A strange interstellar comet discovered last year and speculated by a prominent astronomer to be an alien spacecraft could be ...

One year ago, on July 1 2025, astronomers discovered a fascinating new object moving through the Solar System. Detected by the Asteroid Terrestrial-impact Last Alert System (ATLAS), the object was ...

Researchers say 3I/ATLAS could be 12 billion years old and has a composition unlike anything in our solar system.

An interstellar comet that blazed past the sun and swung by Earth last year could be nearly three times older than our solar ...