Stretching billions of miles beyond Neptune, the Kuiper Belt is a vast ring of icy worlds — a frozen frontier where ancient ...

Roughly four and a half billion years ago the planet Theia slammed into Earth, destroying Theia, melting large fractions of ...

A large radio galaxy study finds our solar system moves faster than theory predicts, raising new questions about how matter ...

The object that created the Moon by colliding with the Earth might also have been its neighbour, researchers suggest ...

Several NASA spacecraft near the comet captured images as it travelled through space around 18 million miles away ...

Right now, while you watch this video, something invisible is passing through the Solar System. It moves silently, without shining, without leaving a clear trace. Our telescopes miss most of it, our ...