For decades, NASA has dreamed of building a rocket powerful enough to take humans to Mars - and now, that dream might finally come true. The agency is developing a nuclear-powered engine that could ...

Sci-fi geeks have long worshipped an obscure TV show about a futuristic Moonbase Alpha and its spacecraft fleet of Eagles. Now, about a half-century in, those “Space: 1999” superfans are about to get ...

For decades, the search for alien intelligence has revolved around the question: if someone out there is listening, how could they hear us? A new study combining data from Penn State and NASA’s Jet ...

This screenshot from CCTV (China Central Television) shows China’s first moon rover Yutu, or Jade Rabbit, in an image taken by the camera on the Chang’e 3 moon lander, Dec. 15, 2013. China does not ...