New research suggests that a binary pair of Kuiper Belt objects, known as the Altjira system, is actually made up of three ...

A rare grouping of 10 celestial bodies is captured in a stunning new photo taken during last weekend’s great planetary parade ...

A ring or sphere could, apparently, be stable if surrounded by the right sizes and gravities of other stars.

Is there enough legal framework to avoid arguments between nations as space exploration and commercial activity rapidly increase?

Now, Mars. Photographs from the NASA Archive, a stunning new release from publisher Taschen, invites us on an extraordinary ...

An eclipse occurs when the sun’s light is obstructed by a celestial body like the moon or any planet. This celestial event is ...