Just the third-ever confirmed interstellar object has been detected in our solar system. Here's what we know. (Spoiler: It's ...

The astronomical community is abuzz over a newly discovered "interstellar object," only the third of its kind ever seen, ...

The solar system has an uninvited guest that is currently shooting toward us on a one-way trip through our cosmic ...

Newly released imagery from NASA shows the Sun's corona in stunning detail after the Parker Solar probe performed its closest ...

Discover 3I/ATLAS, an interstellar comet with a reddish hue, rich in water ice, and possibly predating the solar system.

A recently discovered interstellar object, 3I/ATLAS, could potentially be the oldest comet ever observed, predating our solar ...

A newly discovered ice comet from deep space may be over 7 billion years old, making it the most ancient comet scientists ...

A minuscule meteorite seems to be rewriting the history of our solar system. The 50-gram Northwest Africa 12264 has brought a new understanding of when and how rocky worlds came together. Inner ...

For only the third time in recorded history, an interstellar object has crossed into our solar system, creating quite the ...

A new interstellar object, A11pl3Z, has been discovered in our solar system, marking the third such object to be observed. It ...

Astronomers have confirmed the third interstellar object on record is dashing through our solar system. Dubbed 3I/ATLAS, it ...

I/ATLAS, earlier known as A11pI3Z, is only the third interstellar visitor to be discovered passing through our corner of the ...