New evidence suggests that the famous interstellar traveler may be so old that its home system no longer exists.

I/ATLAS may be more than the strangest space object astronomers have observed within our solar system—it could also be one of ...

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Well, one NASA scientist certainly seems to think there's a chance. Ivo Busko, a retired NASA developer who worked at the ...

NASA’s PUNCH was tracking comet SWAN when 3I/ATLAS whizzed past. Credit: NASA/Southwest Research Institute ...

New Images from NASA's Hubble Space Telescope and James Webb Space Telescope show Saturn in both infrared and visible light.

The interstellar comet 3I/ATLAS will soon leave our solar system, never to return, but the observations of the comet will ...

In an incredibly lucky cosmic accident, NASA’s Hubble Space Telescope captured a comet breaking apart in real time—something ...

Interstellar comet 3I/ATLAS on Nov. 30, 2025, as observed by the Wide Field Camera 3 instrument on NASA's Hubble Space ...

The interstellar comet 3I/ATLAS contains water and carbon molecules at levels never before seen in our solar system. This suggests that it formed around an alien star radically different from and much ...

NASA said Thursday that the long-delayed launch of Artemis 2, the first crewed flyby mission to the Moon in more than 50 years, could come as soon as April 1. "We are on track for a launch as early as ...