The newly discovered world — a "sednoid" — challenges what planetary scientists thought they knew about the edge of the solar ...

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

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

The world's first hybrid solar cargo ship has just launched in Germany, marking a major milestone for sustainable shipping.

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

The astronomers observed hot minerals just beginning to solidify – the first specks of planet-forming material, the ...

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

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

The answers to those questions depend on how we define the death of the solar system.

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

You’d think we’d have the solar system pretty well figured out by now. It’s our own cosmic backyard, after all. […] ...

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