Earth has only one natural satellite, the moon, which is relatively large compared to its parent planet. It orbits Earth at ...

The "Abstract Futures" mosaic spans 600-square-feet at the 42nd Street/3rd Avenue entrance to the 7 train at Grand Central in ...

Lately, there's been plenty of progress in 3D printing objects from the lunar regolith. We've reported on several projects ...

Recent flybys of the fiery world refute a leading theory of its inner structure — and reveal how little is understood about ...