A Plan B for space? On the risks of concentrating national space power in private hands
Sydney, Australia (SPX) Mar 11, 2026
Private companies are no longer peripheral participants in U.S. space activities. They provide key services, including launching and deploying satellites, transporting cargo and astronauts to the In ... more
Photonic crystal concept advances laser light sail propulsion
Los Angeles CA (SPX) Mar 11, 2026
Most space missions still rely on chemical rockets that must carry their own propellant, adding mass and limiting speed and range. Researchers are investigating light sails driven by powerful lasers ... more
Books About Space for Future Astronomers
Los Angeles CA (SPX) Mar 11, 2026
Astronomy books serve as essential guides, translating complex physical laws into understandable narratives. These texts typically cover cosmology, black holes, planetary science, and the history of how humans mapped the stars. ... more