Astronomers at Princeton University have uncovered evidence that the outer solar system is more structured than long believed ...

Far beyond Neptune, astronomers have finally confirmed a compact clump of icy worlds hiding inside the Kuiper Belt, a feature ...

The newly identified cluster of Kuiper Belt objects lies about 4 billion miles from the Sun, offering fresh clues about how ...

A newly identified group of icy bodies in the Kuiper Belt has left astronomers both surprised and intrigued. Led by Amir ...

Astronomers may have uncovered a massive hidden planet far beyond Neptune, using decades-old infrared data. The object’s ...

Around the bright star Fomalhaut, astronomers spotted glowing clouds of debris left behind by colossal collisions between ...

Astronomers are closing in on one of the most tantalizing possibilities in planetary science, evidence that a previously ...

Planetary systems begin in chaos. In their primitive form, many rocky and icy objects are careening through space, smashing ...

Astronomers at the Center for Astrophysics | Harvard & Smithsonian have captured what may be the biggest planet-forming disk ...

NASA’s Hubble Space Telescope has captured infant planets colliding around Fomalhaut, one of the brightest stars in the night ...

Astronomers say the Vera C. Rubin Observatory has detected an asteroid that spins faster than other space rocks of its size.

CAPE CANAVERAL SPACE FORCE STATION — The United Launch Alliance launched its Atlas V rocket as it carried Amazon’s Project Kuiper satellites from Space Launch Complex-31 on Monday night. The Atlas V ...