Evidence that rocky planets beyond Jupiter formed as rapidly, and at the same time, as the inner planets could transform our ...

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

CAPE CANAVERAL, Fla. (AP) — Astronomers have discovered the earliest seeds of rocky planets forming in the gas around a baby ...

With an estimated diameter of roughly 700 kilometers (435 miles), 2017 OF201 could be the second-largest known object in so broad an orbit, after Pluto, among the far solar system’s larger ...

The Solar System, our cosmic home, is a fascinating and dynamic region of space filled with a diverse range of planets, moons, and other celestial objects. Deep dive into the incredible ...

Nation & World News Astronomers capture the birth of planets around a baby sun outside our solar system Published: Jul. 16, 2025, 4:45 p.m.