A rare interstellar comet reveals its secrets and 5 other top space and science stories this week Coming soon: Watch out for the upcoming launch of Wonder Theory, the first-ever CNN space and science newsletter. Welcome to Wonder Theory, your weekly space and science digest. It has been said by many an educator that space and dinosaurs are the gateway to an interest in science. That was certainly true for me when I was a child. What I witnessed visiting museums and planetariums — as well as just laying on the ground and looking up at the night sky — captured my imagination.