A renowned physicist believes he's cracked the mystery of where a giant unidentified object hurtling through our solar system came from. Harvard physicist Avi Loeb and student researcher Shokhruz ...

Astronomers have revealed new research showing that millions of new solar system objects are likely to be detected by a brand-new facility, which is expected to come online later this year.

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 recently detected a colossal object at the edge of our solar system, sparking excitement and curiosity within the scientific community. This discovery could provide crucial insights ...

A new image has revealed the clearest glimpse yet of an interstellar visitor zipping through our solar system.Video above: Astronomers discover how planets formThe Hubble Telescope and its Wide Field ...

The detection of a large interstellar object in 2017 named ‘Oumuamua was a landmark discovery. Figuring out where the wayward traveler came from, though, is another challenge entirely, especially ...

It’s possible the trans-Neptunian object, dubbed 2017 OF201, is large enough to qualify as a dwarf planet, making it an “extreme ‘cousin’ of Pluto,” according to Institute for Advanced Study postdoc ...