Interstellar comet 3I/ATLAS has given astronomers an opportunity they rarely expect to receive. Unlike the countless icy ...

What can 3I/ATLAS teach astronomers about the origins of life?

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

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

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

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 ...

Strange interstellar comet speculated to be alien spacecraft is older than Solar System - Scientists say comet represents ...

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

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

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Southwest Research Institute (SwRI) scientists are using a solar wind forecasting method combined with analytic and numerical ...