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Imagine waking up one morning to the news: a black hole is drifting close to our solar system. It sounds like the plot of a .
AN INTERSTELLAR space rock zooming through our solar system may be the oldest comet ever seen by humans, according to ...
We measure the extremely long distances between things in space by light years. A light year is the distance that light travels in one Earth year. Light travels at about 300,000 kilometres per second.
Just the third-ever confirmed interstellar object has been detected in our solar system. Here's what we know. (Spoiler: It's ...