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

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

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 ...

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

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

Astronomers may have detected signs of an ancient, untouched cluster of icy objects far beyond Neptune, offering new clues about how the early solar system formed, according to a report by NDTV citing ...

A strange tilt in the outer reaches of the Kuiper Belt has scientists wondering if the solar system is hiding another planet—a potential “Planet Y” that could soon join the family of known worlds. The ...

LONDON — The search for an unknown planet in our solar system has inspired astronomers for more than a century. Now, a recent study suggests a potential new candidate, which the paper's authors have ...