Voyager 1 power shutdown begins as NASA disables an instrument to extend its mission and preserve data from interstellar ...

Interstellar comet 3I/ATLAS showed changes in its gas composition after passing close to the sun, offering data on its ...

Interstellar comet 3I/ATLAS is now on its way out of our solar system, never to return. The comet was only the third-ever ...

Usually, comets are dormant blocks of rock and ice. They only wake up when they get close to a star. The intense heat causes ...

Wherever 3I/ATLAS came from, the conditions are very different to our own.

Observing the interstellar visitor after its closest approach, astronomers found that its composition appears to have changed ...

Scientists observe interstellar comet 3I/ATLAS releasing massive water vapor near the Sun, revealing clues about material ...

The Subaru Telescope observed the interstellar comet 3I/ATLAS on January 7, 2026, after it made its closest approach to the ...

Interstellar Visitor Approaches Mars Mysterious Comet 3I/ATLAS Nears the Red Planet So, get this: there’s a visitor ...

Astronomers have identified a mysterious object from another star system entering our solar system at extreme speed Its strange behavior and unknown origin have left scientists searching for answers a ...

This voice experience is generated by AI. Learn more. This voice experience is generated by AI. Learn more. A model of the inner Solar System showing the asteroids discovered by Rubin in light teal.

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