The universe is expanding, and while that fact is fascinating, it also creates a question that trips people up: if it’s growing, what exactly is it expanding into? Our brains are used to picturing ...

We all need some space sometimes—but it's harder to find than you might think. How far into our universe do we have to go to ...

"Filled with lavish illustrations, this book is a grand tour of the universe. Three ever widening domains are presented--the planets, the stars, and the large scale universe itself--each including the ...