Boeing sent a warning to plane operators in 2011 about the broken part that failed in the fiery UPS plane crash in Louisville, but said it was not a “safety of flight” issue at the time, federal ...

On a quiet morning in 1940, the residents of Brocklesby, Australia, looked up to witness a sight that defied every law of ...

When a massive star explodes, it releases enormous amounts of energy, radiation, and particles into space. Scientists have ...