The comet is the third object ever confirmed to have entered our cosmic neighborhood from elsewhere in the galaxy. Space ...

Interstellar comet 3I/ATLAS, a visitor older than the Sun, has stunned scientists with a colossal, puzzling X-ray cloud ...

Discovered on July 1 by the NASA-funded ATLAS telescope in Chile, 3I/ATLAS is only the third confirmed visitor from another ...

Interstellar comet 3I/ATLAS is captured over Egypt’s Black Desert as it returns to view after its solar passage. Learn how the image was taken and how to observe it ...

The emission of X-rays is usually the domain of the energetic events of the universe: hot stars, supermassive black holes, ...

Scientists have been fascinated by the third interstellar object to ever known to visit our solar system that is revealing ...

ESA's Juice spacecraft has captured striking new images of Comet 3I/ATLAS, revealing its active coma and distinct plasma and ...

Interstellar Comet 3I/ATLAS is nearing Earth. Hubble and Juice captured new images, revealing an alien object with a strange ...

Is an interstellar comet actually an alien spaceship? A researcher traces how influencers spread such speculation via social ...

Comet C/2025 R2 (SWAN)'s backdrop is dominated by the Eagle Nebula — a vast cosmic structure of dust and hydrogen-rich gas ...

Learn about the latest NASA and ESA images of Comet 3I/ATLAS, showing its brightness and tails of dust and plasma.

We have all the latest images of our interstellar visitor from ESA's Juice, Hubble, NASA's STEREO, and even a photobomb from ...