Rocks returned by China’s Chang’e-6 mission suggest volcanic activity just 2.8 billion years ago but lack telltale heat-generating elements.

The Full Super Moon occults the Pleiades, the ice giant Uranus reaches opposition, and the Leonid meteor shower peaks in the ...

When it comes to exploring space, few things have done it better or longer than the Voyager 1 spacecraft, and it isn’t done ...

Since the formation of Earth approximately 4.5 billion years ago, the convection and release of hot magma in its mantle layer ...