NASA’s TESS tracked the interstellar comet during a special observation period from January 15 to 22, 2026.

The interstellar visitor may still have a few things to tell us before it leaves our solar system.

NASA’s Transiting Exoplanet Survey Satellite has once again surprised astronomers by tracking interstellar comet 3I/ATLAS, a ...

A mysterious interstellar visitor traipsing through our solar system known as 3I/ATLAS has captivated the public for months, and it's easy to see why. But as 3I/ATLAS' renown (and infamy) only ...

A newly discovered comet has astronomers excited, with the potential to be a spectacular sight in early April. C/2026 A1 ...

The latest data from the Webb telescope (reported here) indicates that the plume of gas and dust surrounding 3I/ATLAS ...

NASA’s TESS spacecraft tracked interstellar comet 3I/ATLAS in January, capturing data on its motion, brightness, and rotation before it left the solar system ...

Scientists have found new evidence suggesting that interstellar 3I/ATLAS is not an alien spaceship, as one conspiracy theory ...

With an image from the James Webb Space Telescope, NASA finds clues outside the solar system that explain crystals born in ...

CAPE CANAVERAL, Fla. (AP) — A stray comet from another star swings past Earth this week in one last hurrah before racing back toward interstellar space. Discovered over the summer, the comet known as ...

Nasa has revealed new close-up images of the interstellar comet that is currently visiting our solar system. Comet 3I/Atlas is currently on a quick tour of the solar system, before it will leave ...