Think big: Canada should be open to risks as it invests in space, professor says

Canadians passionate about their country's role in space say investments in homegrown astronauts and businesses are vital in ...

Are we really alone? NASA chief says the odds don’t look that way

With trillions of galaxies and growing discoveries, the search for life beyond Earth is starting to feel less like science ...
来自MSN

8 action movies that are amazing from start to finish

Sometimes, you don’t plan to watch a full 2–3 hour movie. I know I don’t. I just press play, give it a few minutes, and if it doesn’t pull me in, I’m out. Most films lose me somewhere in the middle ...

UFOs: 'Most are reported by people out for an evening smoke'

Hansjürgen Köhler has been a volunteer UFO hunter for more than 50 years. He sees his work as scientific investigation, but ...