A mysterious object the size of Manhattan, originating from outside our Solar System, has been spotted by astronomers. Experts have confirmed the discovery of this rare interstellar visitor—only the ...

Astronomers surveying the outer solar system have revealed that a rare object far beyond Neptune is moving in sync with the eighth planet in an unexpected way. Called 2020 VN40 and first discovered in ...

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.

In 2017, ‘Oumuamua stunned scientists as the interstellar object entered and then exited the solar system, something previously unprecedented in the world of astronomy. In 2019, the comet Borisov was ...

This is the third time an object from outside the solar system has been found. An "interstellar object" is speeding toward the inner solar system, where Earth is located, astronomers have confirmed.

The newly identified cluster of Kuiper Belt objects lies about 4 billion miles from the Sun, offering fresh clues about how ...

Only four such objects have been discovered, astronomers say. Astronomers have discovered a "fossil" body residing on the outskirts of the solar system, according to new research. The object – which ...

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 ...

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 ...

Astronomers are reporting the detection of a large object entering our solar system, and it is causing quite the stir in the scientific community. But now a fourth and much larger object has been ...