A whole population of 'minimoons' - tiny natural satellites - may be quietly circling near Earth, scientists now believe, after discovering a second Moon-origin rock drifting close to our planet ...

Most of the time, the full moon isn't perfectly full. We always see the same side of the moon, but part of it is in shadow, due to the moon's rotation. Only when the moon, Earth and the sun are ...

May's full moon will arrive May 12 ... with the meteors traveling at about 40.7 miles per second into Earth's atmosphere," NASA said. The best time to see them is during the hours right before ...