Astronomers have spotted a new interstellar object — the third of its kind ever seen — shooting towards us through the solar ...

Proxima Centauri b is the closest known exoplanet to our solar system that is thought to be within the habitable zone of its star.

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

In our analysis this week, we look at how NASA's proposed budget would slash the agency's science division by nearly 50%.

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

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.