LightSail 2 Opens Its Sails in an Early Test of Tech That May Make Interstellar Travel Possible

A photo released today showing the recently unfurled solar sails. Image: Planetary Society A tiny spacecraft…

The Rocket That Took Humans to the Moon Will Be Projected on the Washington Monument Next Week

Artist’s rendering of the Washington Monument projection of a Saturn V rocket that will take place…

Virgin Galactic to Go Public, Plans to Launch Flights in 2020

Sir Richard Branson poses in front of Virgin Galactic’s SpaceShipTwo space tourism rocket after it was…

Astronauts Aren’t Dying From Space Radiation, New Research Suggests

Image: NASA Excessive exposure to the Sun’s harmful rays is an occupational hazard endured by astronauts,…

NASA Sold an Original Moon Landing Video to an Intern in the 1970s and Now It’s for Sale Again

Photo: Sotheby’s Later this month, some of the original videotapes that captured the first Moon landing…

New Video Shows How Humanity Could Spread Throughout the Galaxy

GIF: ESA Advanced Concepts Team/Gizmodo A fascinating competition to devise an efficient way of colonizing the…

Why Is NASA Sending an Atomic Clock Into Space

A graphic of the Deep Space Atomic Clock (DSAC).Illustration: NASA/JPL-CalTech On June 22, NASA will send…