Chinese researchers overcome decades-long challenge to build a laser that operates across 100-degree Celsius temperature ...

Their innovation hinges on some radical design choices, including 940-nanometre pump lasers with minimal thermal drift, directly injecting light via nine forward and 18 backward fibre-coupled diodes.

Farhan Akhtar’s upcoming film, 120 Bahadur, honours Major Shaitan Singh Bhati and the brave soldiers of Charlie Company from ...

China look set to unleash their 2.26m (7ft 5in) “moving Great Wall” at the Women’s Asia Cup after teenager Zhang Ziyu put in ...

A Chinese man living unlawfully in the US has pleaded guilty to smuggling weapons, ammunition and sensitive military technology to North Korea, the US Department of Justice said. Shenghua Wen, 42 ...

Attorneys have agreed to postpone a preliminary examination in U.S. District Court until August while a plea deal is being negotiated, court records show.

WASHINGTON − President Donald Trump said there was a "substantial chance" of U.S. negotiations with Iran and that he would ...

Tehran already has two of the three ingredients needed to deliver a nuclear weapon: missiles that could deliver a devastating ...

And yet it is full of risks — known unknowns and unknown unknowns, as the former defense secretary Donald Rumsfeld used to ...

Chinese scientists have developed a portable 2-kilowatt (kW) fiber laser weapon that can operate in extreme temperatures.

The former chief operating officer of the Bureau of Alcohol, Tobacco, Firearms & Explosives writes that, all too often, shady ...