Interstellar comet 3I/ATLAS is carrying chemical signatures that do not match anything formed in our solar system.

Southwest Research Institute (SwRI) has completed a mission study detailing how a proposed spacecraft could fly by an interstellar comet, providing remarkable insights into the properties of bodies ...

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Scientists in California have completed one of the first dedicated searches for signs of alien technology on 3I/ATLAS, the latest known object to enter the solar system from interstellar space, ...

Project Hyperion explores the feasibility of crewed interstellar travel via generation ships, using current and near-future technologies. A generation ship is a hypothetical spacecraft designed for ...

Upper left panel: Comet 3I/ATLAS as observed soon after its discovery. Upper right panel: Halley’s comet’s solid body as viewed up close by ESA’s Giotto spacecraft. Lower panel: The path of comet ...