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

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 ...

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

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

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

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

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Unprecedented fireball activity in March 2026 sparks questions as NASA and experts weigh in on rising meteor sightings and ...

A mysterious shortwave radio signal that began broadcasting in the hours after the Iran war commenced has captured the ...

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

Comet 3I/Atlas is now heading out of the solar system and into interstellar space, but scientists are still analyzing the data it left behind as it passed through our cosmic neighborhood. A new study, ...