In less than a week, the sun will disappear -- for a short time. Here are some of the things you should know about the total solar eclipse happening August 21.
The total solar eclipse is a way for astronomers across the US to study the sun and Earth using new technology, both on the ground and in space.
Since ancient times, humans have looked up at the sky with both reverence and fear. When the United States experiences a total solar eclipse August 21, many astronomers expect that it will evoke a sen