Plus Demo

  • ​​Sierra Nevada Corporation is picking up the pace in its mission to carry cargo to and from the International Space Station using a next-generation spaceplane, with NASA giving its Dream Chaser vehicle the production all clear following a design and performance review.
  • With the number of companies marketing VPNs skyrocketing, making an informed decision is harder than ever. We've evaluated four of the leading commercial VPN providers – IPVanish, ExpressVPN, NordVPN and PrivateInternetAccess. Here's who we recommend.
  • ​Today, we launched a paid subscription option for those of you who want to directly support what we do, instead of indirectly, via advertising. Here's why.
  • Some people live truly extraordinary lives, and US Air Force pilot Brian Shul is certainly one of them. Shot down and burned half to death over Cambodia, he worked his way back to the top of the game, eventually flying the most extreme aircraft ever built.