Astronomers have discovered an object at the edge of the solar system that is locked in a strange rhythmic dance with the ice ...

A lone body, making one passage around the Sun for every ten by Neptune, is rewriting the rules of planetary dynamics in the ...

Ever since the International Astronomical Union recognized Haumea and Makemake as dwarf planets in 2008, University of Maine ...

Astronomers have made an extraordinary discovery at the outer edge of our solar system—a strange space rock that dances in ...

Is there a massive undiscovered planet on the outer reaches of the solar system? The idea has been around since before the ...

Astronomers have discovered a new exoplanet that may be habitable 35 light-years from Earth. Named L 98-59 f, it joins four ...

The celestial body's unusual orbit “implies that something extraordinary occurred" in the early days of the solar system—and ...

Analysis of an ancient meteorite suggests that rocky planets both near and distant from the sun may have formed at the same ...

AROOSTOOK COUNTY, Maine (WAGM) - Aroostook County’s iconic Maine Solar System Model is about to get even bigger. Two new ...

Astronomers witness first moments of planet formation as rock grains crystallize around distant star HOPS-315.

International astronomers have for the first time witnessed the birth of a planetary system beyond Earth's sun that could one ...

CAPE CANAVERAL, Fla. (AP) — Astronomers have discovered the earliest seeds of rocky planets forming in the gas around a baby sun-like star, providing a precious peek into the dawn of our own solar ...