Space.com

What's Hot This Week Secretive Air Force Space Plane Nears Orbital Record by Leonard David, SPACE.com's Space Insider Columnist Today the X-37B space plane marks 270 days in space. Amazing Aurora Over Sweden - Time-Lapsed by Steve Spaleta Vibrant Northern Lights filled the night sky over Abisko National Park on November 28, 2011. Chad Blakley (www.lightsoverlapland.com) captured this stunning time-lapse video. Sponsored by: How to See the Stars on the Longest Winter Nights Fire Burns Differently in Space, Space Station Experiment Shows