For a few months, Earth had a second moon — a tiny asteroid that may have been a piece of our own Moon ...

For a brief, but exciting, time last year, Earth had two moons. A small asteroid lingered close to our planet in its orbit ...

A private U.S. spacecraft has captured stunning images of Earth one week into its flight. Still circling Earth, Firefly ...

Astrophotographers use sophisticated imaging technology to take and edit photographs that bring us the cosmos with startling ...

Inside a giant sphere, the engineers pored over their equipment. Before them stood a silvery metal contraption swathed in colourful wires – a box that they hope will one day make oxygen on the moon.