Astronomers tracking interstellar comet 3I/ATLAS reveal a far bigger story: a colossal, rotating chain of galaxies that may ...

Something did fly past Earth last week, and it left a trail of uneasy questions behind it: could interstellar comet 3I/ATLAS have shed toxic material that made it all the way to us? Harvard ...

I/ATLAS may have moved away from Earth as it makes its way out of the solar system, but this interstellar intruder continues ...

When the interstellar object known as 3I/ATLAS passed Earth on Dec. 19, 2025, astronomers around the world trained their ...

Space is always inspiring and 2025 was no exception, with finding Betelgeuse’s buddy, debuting a prolific survey telescope ...

Comet 3I/ATLAS was discovered on July 1, 2025, by the NASA-funded ATLAS telescope in Rio Hurtado, Chile and was quickly ...

“Given the mass loss rate measured by the Webb Space Telescope, the gas around 3I/ATLAS would be swept up by the solar wind ...

Research evaluates the likelihood of debris from interstellar object 3I/ATLAS reaching Earth, analyzing gas, dust and larger ...

Looking ahead, the comet will pass roughly 33 million miles from Jupiter in March 2026. Loeb noted the scientific value: monitoring 3I/ATLAS with the Juno spacecraft could reveal unusual activity, ...

Avi Loeb keeps interstellar object 3I/ATLAS at rank 4 on his classification scale as scientists await new data from its 2026 Jupiter flyby.

Using the WISPR (Wide-Field Imager for Solar Probe) instrument aboard NASA’s Parker Solar Probe, scientists observed the interstellar comet 3I/ATLAS from October 18 to November 5, 2025.

Scientists are turning their attention to a rare interstellar encounter expected in March 2026, when comet 3I/ATLAS is ...