Our solar system is made up of a wide variety of various cosmic bodies. Between planets, moons, and asteroids, the expanse of ...

These linkups happen when several planets appear to line up in the night sky at once. Such parades are fairly common, ...

The U.S. planetary science community is sounding the alarm about plans to discard a nuclear technology that has powered ...

The interstellar object 3I/ATLAS has sparked debate among astronomers since its discovery, and some are exploring whether it ...

The exoplanet TRAPPIST-1 d intrigues astronomers looking for possibly habitable worlds beyond our solar system because it is ...

Travel through time to witness some of the most remarkable episodes in our solar system's history, uncovering its ancient ...

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

Meteorite that crashed into Georgia home is believed to have originated from the main asteroid belt, making it 4.56 billion ...

NPR's Ari Shapiro talks with astronomer David Jewitt about what we can learn from the third interstellar object to have ...

On the subject of Comet 3I's unnaturalness, Harvard physicist Avi Loeb has admitted to having concerns about the discovery in ...

The 3I/ATLAS, which was first spotted on July 1, has the fastest velocity of any solar system visitor to date, NASA says. The ...

Our sun is about five times less magnetically active than other sunlike stars—effectively a special case. The reason for this ...