Randall Munroe, creator of the web comic xkcd, takes on the internet's strangest questions in his latest book, What If? Serious Scientific Answers to Absurd Hypothetical Questions.
Science and Tech Features
Are we alone in the Universe? How likely is it that we have other species out there trying to contact us? Let's look at the numbers.
If you think Earth has some strange climate patterns, then be glad you don't live on some of these alien worlds. The weather can be downright brutal.
Sure these deep space images are awesome, but what exactly are you looking at?
What if you hadn't hit the snooze button this morning, or stopped to say hello to the new secretary? How would life be different?