US, Russia, China race to develop hypersonic weapons

Russia and China have recently touted their progress in developing hypersonic vehicles, which fly much faster than the speed of sound, which is 767 mph. Hypersonic missiles are rocket-boosted to high altitude and may be launched ...

Smart home heating and cooling

Smart temperature-control devices—such as thermostats that learn and adjust to pre-programmed temperatures—are poised to increase comfort and save energy in homes.

Big US defense blimp stirs privacy jitters

On a crisp winter's day, a tethered blimp almost as big as a football field slowly rises into the blue Maryland sky, casting its radar eye over greater Washington and well beyond.

Israel laser shield moves closer to deployment

An Israeli state-owned arms company developing a laser-based missile shield that evokes "Star Wars" style technology says its deployment over the country is closer to becoming a reality.

Israel's new missile defense system passes test

Israel successfully tested its newest missile defense system on Wednesday, a key step toward making the third and final leg of the country's three-part defense system operational by next year, the defense ministry said.

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