A comet tail pointing toward the Sun sounds like a mistake-but that is exactly the geometry Comet 3I/ATLAS put on display as ...

The first time 3I/ATLAS showed up cleanly in deep stacked frames, its tail did something comets are not supposed to do: it ...

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

The unusual behaviour of interstellar comet 3I/ATLAS has reignited online debate, but astronomers say the gaps in public ...

The interstellar comet 3I/ATLAS, the third confirmed object from outside the Solar System, passed closest to the Sun on ...

NASA’s Europa Clipper spacecraft has recorded important new observations of the interstellar comet 3I/ATLAS using its ...

Astronomers observing the visiting comet have detected shifting jet structures inside an unusual anti-tail, offering fresh ...

As we bid farewell to 2025, the interstellar comet 3I/ATLAS continues to astound astronomers with unexpected findings even as it journeys out of our solar system. This article explores the fascinating ...

An instrument aboard NASA’s Europa Clipper spacecraft captured rare ultraviolet observations of an interstellar comet while Earth-based telescopes were blinded by the Sun. The spacecraft’s unique ...

On04, NASA's Stardust spacecraft flew by comet Wild 2 to collect some comet dust and bring it back to Earth. Stardust was the ...

Editor’s note: Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. (CNN) — The Hubble Space Telescope and ...