This exciting discovery opens up new possibilities for auroral research and confirms that auroras could be visible to future ...

Mars was once rich with flowing water. Today, it's a cold, dusty desert marked by dried riverbeds and empty lake basins.

Several space missions have flown by asteroids before and gotten a peek at their compositions, but bringing a sample back to Earth is even more helpful for scientists. The most informative analyses ...

NASA concluded a balloon mission in which a super-pressure balloon circumnavigated the Earth over the southern hemisphere in ...