Parts of 15 states could have a chance at seeing the Northern Lights on overnight on Tuesday if the weather cooperates.

For a map of the best places to stargaze ... according to EarthSky. The next new moon will fall at around 11:02 p.m. ET on May 27, EarthSky reports. Because the moon isn't visible during this ...

An exhaustive examination of lunar gravity using data obtained by two NASA robotic spacecraft is offering new clues about why the two sides of the moon - the one perpetually facing Earth and the other ...

A group of astronomers from across the globe, including a team from the University of Washington and led by Queen's ...

Scientists have discovered key differences under the moon's surface that may explain why its two hemispheres look so different. The moon's near side, the side visible to Earth, is dark and covered ...