Comet 3I/ATLAS arrived from beyond the Solar System carrying a chemical story unlike anything astronomers had measured before ...

Astronomers have revealed new details about the makeup and age of a visiting comet that was born around a distant star. They ...

Astronomers have used the European Southern Observatory's Very Large Telescope (ESO's VLT) to study the composition of ...

(International Gemini Observatory/NOIRLab/NSF/AURA/Shadow the Scientist; Image Processing: J. Miller & M. Rodriguez ...

Exactly where the comet 3I/ATLAS came from within the Milky Way remains a mystery.

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

A team combined compositional data of primitive bodies like Kuiper Belt objects, asteroids and comets with new solar data sets to develop a revised solar composition that potentially reconciles ...

In the latest research, telescope observations of 3I/ATLAS examine its chemical structure and suggest that it took shape in a ...

NASA's James Webb Space Telescope found unusual isotopic signatures in interstellar comet 3I/ATLAS, suggesting it formed up to 12 billion years ago.

The findings surprised researchers, who used the comet's composition to better understand the environment in which it formed.