An unusual visitor has entered our cosmic neighborhood. Scientists call these objects interstellar objects, or ISOs. Unlike ...

A Harvard astronomer has proposed a bold theory about a mysterious interstellar object that has been observed accelerating away from our solar system at high speed. This acceleration, he suggests, ...

A comet from another star system is giving scientists a fresh look at how planets form. NASAs James Webb Space Telescope ...

A Southwest Research Institute–led study used NASA's James Webb Space Telescope to examine ice grains streaming from ...

3I/ATLAS is surrounded by “a complex jet structure,” new images show, sparking fresh speculation that the Manhattan-sized interstellar object could be an artificial alien craft. The images, captured ...

Webb observations reveal unusual dusty ice around interstellar comet 3I/ATLAS, hinting that planetary systems may share similar forms of icy building blocks.

The interstellar object "3I/ATLAS," which flew into the solar system in 2025 and is now quietly moving away, has been the ...

Researchers have made groundbreaking observations of interstellar comet 3I/ATLAS using NASA's James Webb Space Telescope.

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The interstellar comet 3I/ATLAS brought material from another planetary system within reach of our telescopes, but reading ...

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James is a published author with multiple pop-history and science books to his name. He specializes in history, space, strange science, and anything out of the ordinary.View full profile James is a ...