The bottom of the ocean has barely been explored, but every journey to the deep reveals wondrous new lifeforms. As underwater mining gains momentum, we risk destroying one of the Earth’s last great wi ...
An artist's conception showing a planetary smash-up between a Moon-sized object and a Mercury-sized object. (NASA/JPL-Caltech ...
Frank Borman: "This is Apollo 8 coming to you live from the moon. I think that each one of us carries his own impression of ...