Trans-Neptunian objects (TNO) are some of our solar system's lesser-known objects. They number in the thousands, and they get ...

Astronomers used a telescope in Hawaii to find a new object on the outer edges of our solar system, helping to fuel evidence of a long-standing theory about Planet Nine, or Planet X.

In a groundbreaking discoverypublished in The Planetary Science Journal, a team of astronomers led by the Center for ...

According to the team's measurements, the comet's nucleus is around a whopping 128 kilometers (80 miles) across, making it bigger than the state of Rhode Island, and far larger than its closest ...

Clues from another dry spell 6,000 years ago are helping scientists understand what’s driving the latest one, and why it’s ...

Astronomers at the University of Maryland found that a surprising burst of rocky debris released during the DART mission ...

(Web Desk) - NASA has discovered a mysterious 'super-Earth' planet that appears to flash a repeated signal from 154 ...

The discovery, published in The Planetary Science Journal, was made through the Large inclination Distant Objects (LiDO) ...

"It is possible that a planet once existed in the solar system but was later ejected, causing the unusual orbits we see today." ...

The Subaru Telescope has made an exciting discovery: a small body beyond Pluto, with implications for the formation, evolution, and current structure of the outer solar system.