Russian cosmonaut back after record 879 days in space

Russian cosmonaut Gennady Padalka returned safely to Earth with two other astronauts from the International Space Station Saturday with the record for having spent the most time in space.

Jet engines are getting quieter

With no sign of our appetite for air travel diminishing, we need to create quieter aircraft that are easier to live with. In fact, while those living near airports may beg to differ, data included in the Airports Commission ...

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