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

Close stellar encounters could change the structure of our planetary system, potentially dooming Earth or other worlds to ...

A comet has entered the Solar System from interstellar space and will pass through the inner planets later this year, NASA ...

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

When we gaze into the night sky, we see a tiny fraction of what lies beyond our Solar System. In the vastness of space, our Sun and its planets are but a speck of dust. There are thousands of stars ...

Astronomers have discovered a rare instance of a interstellar comet speeding through the solar system. The 3I/ATLAS was first ...

CE Antilae, discovered in 1999, has long been a system of great interest to astronomers because it is seen "pole-on" from ...

Using the James Webb Space Telescope (JWST), astronomers have peered deep into one of the Milky Way's most radiation-intense ...

Astronomers have discovered a new interstellar comet passing through our solar system, marking the third interstellar object ...

After three years of helping astronomers investigate known planets beyond the solar system, the James Webb Space Telescope ...

Artist's impression of Planet Nine – a suspected “wide-orbit” planet – with the Sun in the distance; Neptune's orbit is shown ...

Astronomers spotted an object speeding at 133,200 miles per hour (about 214,364 kilometres per hour), which is too fast to be ...