It came from outer space. Interstellar space, to be precise. From somewhere beyond the influence of our sun, possibly from ...

Is Comet 3I/ATLAS the Oldest Comet Visitor from the Solar System? Learn about Comet 3I/ATLAS, its origins, discovery, why it ...

Interstellar Comet 3I/ATLAS makes its closest Earth pass early on Dec. 19. Here's what astronomers know about its origin and speed.

Scientists have sought out and detected radio emissions from from interstellar comet 3I/ATLAS, all but confirming that it has natural origins.

Our solar system is speeding through the galaxy at more than three times the velocity scientists once believed, according to a new peer-reviewed study. The findings,released in November 2025, could ...

Comet 3I/ATLAS will get closest to Earth on Dec. 19, and astronomers will be watching.

Voyager 1, launched in 1977, has traveled farther than any spacecraft in human history. After more than four decades of silent endurance through space, it now sails beyond the orbit of the outer ...

WISPIT 2b was an unexpected discovery made during a five-year research project carried out by an international team of astronomers at Leiden University, the University of Arizona. The find represents ...