Rock wider than football pitch could have devastating impact if it hits our planet – which, according to Nasa scientists, is ...

Scientists from the National Aeronautics and Space Administration (Nasa) say they have spotted an asteroid that could smash ...

Creating an Iron Dome for America would not just be a poor decision — it would be a monumental failure in defense policy.

Fort Cavazos Explosive Ordnance Disposal said the bomb contained "explosive residue" and will be destroyed out of caution.