Analysis by researchers at the University of Bern suggests that water and other volatile compounds arrived on Earth from ...

It's tough to witness your dream being played out on the field when, not so long ago, you were right there -- right there at the cusp of greatness. Then came the injuries, the devastating ...

Here's how to quickly and accurately determine ground speed during flight without sacrificing heading or altitude.

Pick a runway stripe (perhaps at the touchdown zone markers) and touch down smoothly on it under control, compensating for ...