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

NASA is tracking a mysterious, fast-moving object entering our solar system, raising questions about whether it's just a ...

Aliens may have been closer to Earth than first thought. New research from NASA reveals that Ceres, the dwarf planet in the ...

The solar system has many more moons than the one we can see in the sky. But how many do we actually know about? And how many ...

The near-Earth asteroid Bennu contains stardust that is older than the solar system and clues about its violent history, ...

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

NASA’s OSIRIS-REx samples from asteroid Bennu reveal stardust, water-driven chemistry, and clues to life’s origins in the ...

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

For astrobiologists, the search for life beyond our solar system could be likened to where one would look in a vast ...

A team led by University of Arizona astronomer Laird Close has discovered a growing planet outside our solar system, marking ...

Discovered last month by a telescope in Chile, the comet known as 3I-Atlas is only the third known interstellar object to ...

The Hubble Space Telescope has captured a stunning image of a high-speed comet traveling through our solar system. Scientists ...