An entire generation came of age with the indescribable awe of landing on the Moon — and the ensuing Golden Age of Space has changed our world forever for the better. More than 50 years later, what is ...

Portal, as you probably know, is perfect. One facet of that perfection is the meta-satire that writers Erik Wolpaw and Chet Faliszek wrapped around designer Kim Swift’s lab-grade physics puzzles. They ...

This image shows the location of Cloud-9, which is 2000 light-years from Earth. The diffuse magenta is radio data from the ground-based Very Large Array (VLA) showing the presence of the cloud. The ...