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

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

Scientists now say an interstellar comet discovered earlier this month could be one of the oldest that astronomers have ever ...

Explore the USA One Mile at a Time! Have you ever dreamed of traveling the U.S. and embracing the ultimate RV lifestyle?

Astronomers have been given the rare opportunity to study an extrasolar object after the recent discovery of the interstellar ...

Astronomers have observed an object that originated from beyond our solar system, thought to be an interstellar comet, ...

A mystery interstellar object discovered last week is likely to be the oldest comet ever seen—possibly predating our solar ...

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

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

What is the Solar System truly like? In this video, we take a closer look at real images captured by NASA and other space agencies, showcasing our planets and the vast beauty of the Milky Way without ...

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

Rocky bodies called protoplanets were thought to have formed slightly earlier in the inner solar system than those beyond the ...