For the dwarf planet candidate, one trip around the sun takes over 24,000 years. Its orbit challenges a proposed path for a hypothetical Planet Nine.

A newly detected planet beyond Pluto is not just expanding our understanding of the Solar System, it might be quietly rewriting it. Astronomers from the University of Taiwan recen ...

Researchers found the object named 2017 OF201 while searching for "Planet Nine" - a hypothetical planet thought to exist ...

Q1 2026 Earnings Call Transcript June 4, 2025 Operator: Good afternoon. Thank you for attending the Planet Labs PBC first ...

Astronomers had detected just a hint, a glimmer of two molecules swirling in the atmosphere of a distant planet called K2-18b ...

Chances are you’ve been approaching your relationships, personal style and moneymaking game plans with a bit more impulsivity ...

On the ceiling of Abbie Brockman’s middle school English classroom in Perry County, the fluorescent lights are covered with ...

The nights surrounding June 7 will see Jupiter and Mercury crowd together close to the horizon in the northwestern sky. Stargazers in the U.S. will need a clear horizon to spot the planetary duo ...

Mars mission would pursue scientific objectives like determining whether Mars ever hosted life and charting the evolution of ...

Enjoy a close conjunction of the solar system’s smallest and largest planet just days before the Full Strawberry Moon this ...