Think we already know all the planets in our solar system? Surprise surprise! 🌌 A mysterious new object with an extreme, ...

Just the third-ever confirmed interstellar object has been detected in our solar system. Here's what we know. (Spoiler: It's ...

Typically, telescopes are synonymous with bringing far-off objects close, but the newest member of the solar system was ...

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

For reference, Pluto’s average distance from the Sun is about 40 AU, so 2023 KQ14 is quite distant. At 23.4 billion miles (37 ...

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

Researchers use the Subaru Telescope in Hawaii to find a small object on the outer edge of the Solar System. Nicknamed ...

Astronomers have discovered the earliest seeds of planets forming around HOPS-315, a baby star located 1,300 light-years away ...

A new solar system has been found in the Milky Way. All 6 planets are perfectly in-sync, astronomers say. November 30, 2023 / 3:17 PM EST / CBS/AP ...

The Subaru Telescope has revealed a fourth member of the sednoids, a group of small bodies with peculiar orbits around the ...