Astronomers have recently detected a rogue planet entering our solar system, marking a rare event that has sparked ...

Jupiter, the giant of our solar system, has always fascinated scientists and skywatchers alike. But the recent images ...

Astronomers propose a new hypothetical planet, Planet Y, beyond Neptune, based on observed orbital anomalies in the Kuiper ...

U-M astronomers are helping study a fast-moving, ancient, and massive comet that formed beyond our galaxy. A group of ...

Astronomers have picked up evidence of an Earth-sized world, distinct from the previously hypothesised Planet Nine and Planet ...

Asteroid-mass primordial black holes might whiz through the inner solar system just once a decade. Luckily, scientists have decades of data on satellites’ trajectories.

Recent research suggests a warp in the orbital plane of Trans-Neptunian Objects (TNOs) between 80 and 400 AU, hinting at the ...

By any real definition, even the fuzzy ones, Voyager 1 was still well within the solar system—certainly, it was (and still is, and will be for some time) closer to the sun than most of the TNOs ...

One of the brightest stars in the night sky seems to be orbited by a planet like Jupiter. The news is sure to cheer fans of ...