NASA is now combining spacecraft chemistry readings with stellar catalog data to trace interstellar comet 3I/ATLAS back to ...

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

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

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 ...

Based on the composition of gases spewed by the icy space rock, researchers estimate that our guest might be up to 12 billion ...

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.

Astronomers first spotted Comet 3I/ATLAS in June 2025, and it was later confirmed as an interstellar visitor that originated ...

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

Harvard University’s Avi Loeb joins “Elizabeth Vargas Reports” to discuss the latest data about 3I/ATLAS, the interstellar ...

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

NASA's James Webb Space Telescope is finding clues that are leading scientists toward the origins of the interstellar comet ...