What is a black hole? What is dark matter and what is it made of? How do scientists discover black holes and dark matter if they can't be seen? What do scientis
From the acclaimed author of Black Hole Blues and Other Songs from Outer Spaceāan authoritative and accessible guide to the most alluring and challenging phen
The most fundamental forces at work in our world are some of the most mysterious, and people have grappled with certain questions for centuries. Mysteries of th
What happens when something is sucked into a black hole? Does it disappear? Three decades ago, a young physicist named Stephen Hawking claimed it did, and in do
"An examination of the science behind the astronomical phenomena known as black holes, including relevant theories and history-making discoveries as well as top