Add Yahoo as a preferred source to see more of our stories on Google. A nearly month-long space mission is ready to lift off, with final preparations being made at the Kennedy Center. To be clear, ...

For years, physicists treated an Earth-to-space quantum uplink as a beautiful idea that nature simply would not allow. Now a set of detailed models and experiments suggests that the same fragile ...

High up in Earth's orbit, millions of human-made objects large and small are flying at speeds of over 15,000 miles per hour. The objects, which range from inactive satellites to fragments of ...

NASA believes most of the space telescope burned up in the atmosphere, but some fragments may have made their way down to ...