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

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

The meteorite Northwest Africa (NWA) 12264 might cause changes to the timeline of planet formation, affecting the knowledge ...

Images from two different telescopes give astronomers a glimpse at the formation of a "new" planetary system around a star ...

The star is surrounded by a protoplanetary disk, and this disk is the first evidence of debris condensing into what will ...

A mysterious object the size of Manhattan is blazing through our solar system, and its origins remain a puzzle to the world's ...

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

Astronomers first identified these minerals using the now-three-year-old James Webb Space Telescope. To see where exactly the ...

Typically, telescopes are synonymous with bringing far-off objects close, but the newest member of the solar system was discovered using wide-field imaging. The Subaru Telescope has spotted a distant ...

The solar system consists of eight planets, several dwarf planets, hundreds of moons, and billions of asteroids, comets and meteoroids. The exact boundaries of the solar system ar ...

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