55 Years Ago: Gemini X Soars to New Heights

60 years ago today, Liberty Bell 7 prematurely blew its hatch after splashing down in the Atlantic Ocean. For decades, a myth persisted (largely due to Tom Wolff's "The Right Stuff") that astronaut Gus Grissom panicked and blew the hatch early. Now, new evidence shows static electricity is to blame.

Russia launches huge Nauka science module to space station after years of delays

Building the World's Largest Telescope. The team building the Giant Magellan Telescope shares details about the unique production process. In a marvel of modern engineering that takes four years of effort, the 8.4-meter (28 feet) mirror manufacturing is well underway.