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

Have you ever wondered what our solar system looked like 3.8 billion years ago? Were the planets we know today anything like ...

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

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

According to researchers writing in the journal Icarus, a rare but possible event could one day push Earth out of the solar system entirely. The culprit? A wandering star.

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

NASA has discovered a new interstellar comet that's currently located about 420 million miles away from Earth. The space ...

Centimeter-sized pebbles have been detected in protoplanetary discs using e‑MERLIN, filling in a critical phase of planet ...

Captured just days after its discovery, the images offer the clearest view yet of this rare visitor from beyond our solar system.

New research says that Earth could be ejected from our solar system if a passing star was to come close enough.

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

There’s a giant ball of ice barreling through the solar system right now, and it’s bigger than any we’ve seen before. It poses no threat to Earth, but this comet, called C/2014 UN271 ...