Astronomers have discovered the raw ingredients of planets orbiting two infant stars, offering a glimpse into how new worlds ...

Astronomers have picked up evidence of an Earth-sized world, distinct from the previously hypothesised Planet Nine and Planet ...

The official number of exoplanets—planets outside our solar system—tracked by NASA has reached 6,000. Confirmed planets are ...

I/ATLAS is a fast, ancient interstellar object. Its odd features fuel both scientific study and speculation. On July 1, ...

Astronomers have uncovered a massive new trans-Neptunian object, 2017 OF201, lurking at the edge of our solar system. With an orbit stretching 25,000 years and a size that may qualify it as a dwarf ...

A research team led by geophysicists at UC San Diego’s Scripps Institution of Oceanography provides an explanation for ...

Importantly, the 6,000 figure is continuously updated as astronomers around the world confirm new planets, meaning no single planet is officially the 6,000th.

Astronomers have discovered seeds of rocky planets forming in the gas around the baby sunlike star providing *** peek into the start of our own solar system. The the thing that we've discovered is ...

One of the worlds in the TRAPPIST-1 system, a mere 40 light-years away, just might be clad in a life-supporting atmosphere.

Travel through time to witness some of the most remarkable episodes in our solar system's history, uncovering its ancient ...

A tiny meteorite is rewriting what scientists thought they knew about the origins of our solar system. New evidence found in shavings from a meteorite known as Northwest Africa 12264 — a 50-gram (1.8 ...