Some lucky kids will get the chance to see the day turn to night on April 8, when a total solar eclipse will be seen from several parts of the U.S. From building your own safety glasses to taking ...

If a distant solar system is millions of light years away and so we see it as it was millions of years ago, how can we see what it looks like now? Parul, aged 13, Sri Ganganagar, India When you ...

The authors do not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and have disclosed no relevant affiliations beyond their ...