"The Blue Marble" is a photograph of the Earth taken on December 7, 1972, by the crew of the Apollo 17 spacecraft en route to the Moon at a distance of about 29,000 kilometers (18,000 mi). Flat earth ...

(CNN) — Homemade rockets. Modified AK-47s. Decades-old Soviet machine guns. Cheap, second-hand, and purloined weapons comprised Hamas’ deadly makeshift arsenal that fueled a devastating, multi-pronged ...

Aftershock II, a new rocket built by students at the University of Southern California, recently broke a number of 20-year-old amateur spaceflight records for altitude, power and speed. It reached ...

What goes up must come down, whether you believe in gravity or not. If it comes down without a parachute, you're going to have a bad time. Share on Facebook (opens in a new window) Share on X (opens ...