About 25,000 are pieces of obsolete satellites, rocket parts and debris — space junk orbiting out of control and posing a threat to the satellites people need. Nine in 10 useful satellites are ...

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As the number of flights around the world grows and the amount of junk in space rises, the chances of a collision between the two is only increasing ...

It's the 21st century and "junk food" has gone global. For better or for worse (mostly worse), junk food is now available all over the world. We see it most everywhere we go -- in grocery and ...