How Sentinel will hunt for hidden asteroids

Asteroids of various sizes whiz past our planet all the time. Some we know about, but many we don't, and new ones are identified on an almost weekly basis. (In fact one such recently-discovered asteroid named 2014 HQ214, ...

Taiwan holds computer war games against China attack

Taiwan Monday launched computerised war games featuring its newly acquired AH-64 Apache helicopters helping counter a simulated attack by a Chinese aircraft carrier group, officials and media said.

Avengers-style Helicarrier is still pie in the sky

(Phys.org) —One of the most impressive features of last year's blockbuster smash The Avengers was a gigantic flying aircraft carrier powered by four immense propellers.

US Navy launches unmanned aircraft from carrier

The U.S. Navy for the first time Tuesday launched an unmanned aircraft the size of a fighter jet from a warship in the Atlantic Ocean, as it wades deeper into America's drone program amid growing concerns over the legality ...

Weather woes again delay US space shuttle transfer

Bad weather has for a second time forced authorities to delay the transfer of the space shuttle Endeavour from Florida to California, with the move now set for later this week, NASA said Tuesday.

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