Video from International Space Station commander Randy Bresnik shows skies lighting up like paparazzi flashbulbs over the California coast.
The news of an unseen world lurking somewhere in our solar system may be real, and scientists hope to spot it soon, putting to rest rumors it could end us all.
At least three major efforts are underway to put boots on the fourth planet from the sun. Here's a visual look at each road map to the Red Planet.
Leland Melvin is the astronaut in that fabulous NASA photo with his two dogs. He is an engineer and former NASA education leader, and the author of 'Chasing Space: An Astronaut's Story of Grit, Grace, and Second Chances.' He shared this essay with friends today, and I thought you'd like to read it, too.—XJ