Astronomers have discovered what they think may be another moon orbiting a distant dwarf planet called Quaoar. This small, ...

A new trans-Neptunian object, 2017 OF201, has been found with a vast orbit and potential dwarf planet size. The finding hints at more hidden bodies beyond Neptune. A research team led by Sihao Cheng a ...

The Voyager spacecraft, on a decades-long journey of exploration, have made an unusual discovery at the edge of our solar system. They’ve detected a layer of hot plasma at the solar system’s boundary, ...

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

Astronomers have recently turned their attention to a mysterious object from outside the solar system—3I/ATLAS. By analyzing ...

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 ...

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 ...

A Jupiter-like planet has been found orbiting a young sun-like star in a solar system far away in what is a potentially ...

Astronomer and Pluto mission leader S. Alan Stern explores how the field has transformed during his decades-long career.

Astronomers have discovered a "fossil" body residing on the outskirts of the solar system, according to new research. The object – which goes by the formal designation 2023 KQ14 but is nicknamed ...

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 ...