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 ...

In July 2025, astronomers spotted something remarkable passing through our Solar System, an object that had not come from ...

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 ...

To bring the Girl of Steel to the silver screen, "Supergirl" adapts Tom King and Bilquis Evely's 2021 miniseries "Supergirl: Woman of Tomorrow." Like the comic, the movie's story begins with Kara ...

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 ...

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

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

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

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