HomeExtraterrestrial LifeUFO/UAP Sightings Extraterrestrial LifeSpace Economy UFO/UAP Sightings Share FacebookXLinkedinEmailCopy URL Previous articleMost Commonly Reported UFO/UAP ShapesNext articleWhy haven’t we found Aliens? YOU MIGHT LIKE What Would Happen If Satellite Communications Stopped for a Week? The US is now at risk of losing to China in the race to send people back to the Moon’s surface Big Gemini: The Unbuilt ‘Space Taxi’ of the Apollo Era Strange Facts About Planetary Exploration Persistent Engagement in Orbit and the Coming Shape of Space Conflict The rising flood of space junk is a risk to us on Earth – and governments are on the hook WEEKLY NEWSLETTERSubscribe to our weekly newsletter. Sent every Monday morning. Quickly scan summaries of all articles published in the previous week. Most Popular SpaceX’s Revolutionary Raptor Engine: Powering the Future of Spaceflight Space Economy Outlook 2026 What is the Value Chain of the Space Economy? 10 Intriguing Facts About the International Space Station Load more Featured Assuming UFOs are Real – Why Haven’t Extraterrestrials Made Formal Contact With Humanity? A Study in Combustion: The Failure Modes of Rocket Engines The Ariane 6 Launch Vehicle: Europe’s Next Step in Space Exploration Hibernation: The Key to Deep Space Exploration? Load more FAST FACTS Redefining Space Travel: Today’s 10 Most Popular Books on SpaceX Top 10 Space Stations in Science Fiction 10 Mind-Blowing Factoids About the Size of Universe 10 Iconic Sci-Fi Movies That Defined a Genre Load more