Meteor showers, eclipses and full moons will appear in our skies this summer. Mark your calendars with these dates, stargazers.

NASA explains how a safely view a 'ring of fire' annular solar eclipse. WARNING: People should always use protective solar ...

The Posse Comitatus Act was designed to limit the use of federal troops in ... when Trump designated a 170-mile stretch of federal land along the southern border — which spans through California ...