Some of the universe's most extreme explosions leave behind almost no trace. The original explosion is unseen, but our observations can capture the long-lived echo it leaves behind as the shock front ...

Researchers from Skoltech have published a paper in the journal Physica D: Nonlinear Phenomena presenting an analysis of steady propagating combustion waves—from slow flames to supersonic detonation ...

In any aviation emergency, the first rule is aviate -- fly the aircraft.' 'The fact that the commander's voice is not on the recording simply means he was focused entirely on flying. It does not imply ...