Explore the wonders of our solar system in "Insanely Cool Things In Our Solar System"! WATCH OUR OTHER VIDEOS: ►25 Insanely ...

The comet could be older than our solar system. The comet is also distinct because nickel vapor was detected in the gas ...

Comet 3I/Atlas is soon going to be closest to the Sun in its journey through our solar system. Here are five facts that shed ...

The interstellar comet 3I/ATLAS is barreling toward its closest point to the sun as perihelion looms on Oct. 29. How different will it look when it reappears on the other side?

Avi Loeb suggested that if 3I/ATLAS is a spacecraft, it may use its proximity to the Sun's powerful gravitational pull while ...

The workings of our solar system are roughly the same now as they have been for millions of years. Moons circle their planets, the planets circle the sun, the sun’s magnetic fields and sunspots wax ...

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 ...

In late 2017, a mysterious object tore through our solar system at breakneck speed. Astronomers scrambled to observe the fast-moving body using the world's most powerful telescopes. It was found to be ...

Astronomers are rolling out a welcome mat for a newly identified visitor from beyond our solar system. The object — thought to be a comet — is only the third-ever confirmed interstellar visitor to ...

Objects such as 'Oumuamua, Borisov and recently 3I/ATLAS have opened our eyes to the reality that outsiders regularly visit our solar system — and we're about to start spotting a whole lot more of ...

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 ...

The Milky Way and Andromeda galaxies are predicted to collide and merge between 3.9 and 5.6 billion years from now, based on observed relative motion. The merger process will involve multiple ...