Interstellar comet 3I/ATLAS may be older than our solar system, offering a rare glimpse into the early galaxy.

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

The Asteroid Terrestrial-impact Last Alert System (ATLAS) survey telescope discovered the interstellar comet 3I⧸ATLAS - NASA ...

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 ...

NASA will livestream new 3I/ATLAS images today, Wednesday, Nov. 19, 2025, amid increased public interest in the mystery of the interstellar object after Harvard University astrophysicist Avi Loeb ...

A comet named 3I/ATLAS, which originated from outside our solar system, is currently hurtling through Earth's cosmic neighborhood. It is only the 3rd interstellar object ever discovered in our solar ...

Interstellar comet 3I/ATLAS exhibits unprecedented chemistry, with isotopic ratios suggesting it formed in an extremely cold, ...

3I/ATLAS, an interstellar object identified by NASA as a comet, recently passed its closest point to the sun. Scientists around the world are observing its months-long journey to learn more about the ...

3I/ATLAS is ready for its close-up. After much anticipation, NASA will release images of Manhattan-sized comet 3I/ATLAS — including the much-awaited HiRISE snaps — as it streaks through our solar ...

Since early July, telescopes around the world have been tracking just our third confirmed interstellar visitor, the comet 3I/ATLAS—3I, for third interstellar, and ATLAS (Asteroid Terrestrial-impact ...