Scientists failed to find radio signals emanating from interstellar comet 3I/ATLAS, further bolstering its status as a ...

Here’s how to keep your 3I on it. With 3I/ATLAS slated to make its Earth tour in two days, amateur photographers and astronomers alike are scrambling to catch sight of the interstellar comet. Our ...

Observations with the Allen Telescope Array set new limits on possible signals from extraterrestrial transmitters.

Two spacecraft flying hundreds of millions of miles apart trained their ultraviolet instruments on interstellar comet ...

After briefly escaping from Earth's view during a (very) close approach to the sun on Oct. 30, Comet 3I/ATLAS can finally be seen through amateur telescopes again, though it's impossible to say how ...

The NASA/ESA Hubble Space Telescope reobserved interstellar comet 3I/ATLAS on 30 November with its Wide Field Camera 3 instrument. At the time, the comet was about 286 million kilometers from Earth.

A deep image of interstellar Comet 3I/ATLAS captured by the Gemini Multi-Object Spectrograph (GMOS) on Gemini South at Cerro Pachón in Chile, one half of the International Gemini Observatory and ...

Comet 3I/ATLAS is a rare visitor passing briefly through our solar system. Here’s how to find it in the night sky—and what you’ll need to catch a glimpse. Interstellar comet 3I/ATLAS streaks across ...

A long-awaited set of high-resolution NASA photographs may soon clarify whether the interstellar object 3I/ATLAS is a natural visitor or something far more unusual. The release of new images of ...

This might be more than a tail of fire and ice? Comet 3I/ATLAS has displayed a variety of atypical traits, from its bizarre trajectory through our solar system to a complex jet structure. Now, Harvard ...

Stargazers and scientists are getting a holiday present from the cosmos this week. 3I/ATLAS, an interstellar comet, will get “closest” to Earth on Friday, December 19, as part of its journey across ...