The problem of space debris has been discussed since the 1950s, and in the 1970s, the idea of it limiting space activity ...

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 ...

NASA proves laser communication works in space, sending HD video across millions of miles and paving the way for faster data from Mars.