A tree worker suffered life-altering back injuries after falling more than 30 ft (9.1m) while attempting to abseil from an ...

Hypersonic missiles promise Mach 5+ speeds, but the physics is brutal. At those temperatures, materials can melt, sensors go ...

Ash from the explosion may have led to crop failure and famine in southern Europe, leading some Italian cities to import ...

It's all fun and games until the Christmas tree goes down. Are you guilty of this common Christmas tree mistake? Here's what ...