New research suggests a plasma bubble in the high atmosphere blocked radio communications during a 2002 firefight in Afghanistan, which lead to a deadly US helicopter ambush.
The United States and its Arab allies early Tuesday launched bombing raids against Islamic State militants in Syria, opening up a new front in the battle against the jihadist group after more than a month of US air strikes in Iraq.
Engineers are working on a next-generation submarine that would fly through water in an air bubble. Continue reading →
Mother's nature's tiny fliers still tops in aerodynamic efficiency, but small man-made birds closing fast.
The Outer Space Treaty, signed in 1967, has kept space as a peaceful arena of exploration. Continue reading →
NATO has developed a beam weapon that could stop a suicide-bomb-carrying vehicle in its tracks Continue reading →
In use for more than 20 years, Tomahawks may be used against Syria
A P-40 Warhawk fighter is unearthed in Italy, and the story reconstructed of three U.S. pilots shot down by German planes.
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