Rivals Join For Next Stage Of PAK FA Engine

Solar sails could clean up space junk

USAF Broadens Plans for Next-Generation UAV

Will Hydrogen Fuel Cell Cars Make A Comeback?

Micro-supercapacitor

Computing beyond Silicon

Megatrends and megashocks: a new view of our future world

Scientists learn to block pain at its source

Quantum broadband becomes reality

Isis innovation investigates sand-powered fuel cells

Iran plans to produce missile defense systems similar to Russia’s S-300

Electric Taxis With Switchable Batteries Debut in Japan

The Army Wants Olfactory Sensors That Can Smell Potential Perps At A Distance

USAF Fighter Shortfall Smaller Than Expected

DARPA Falcon Hypersonic Technology Vehicle 2 Mission

A cruise missile in a shipping box

Night vision coming to cell phones, eyeglasses

Molecular computer mimics human brain

Skip the hard cell: Flexible solar power is on its way

Jackhammer 'superdrill' could speed mine rescues

Panasonic's 3.1Ah batteries to be used in the Tesla Model S, have highest energy density yet

Solar Cost ­Cutter

Big Energy Storage in Thin Films

The Strange Link Between Spherium and Helium

New Way To Guide A Car: With Your Eyes, Not Hands

Microcapacitors

Magnesium: Alternative Power Source

DARPA's Mach 20 Hypersonic Glider and Air Force's X-37B Space Plane Make Their Debuts

U.S. Resists Push by Allies for Tactical Nuclear Cuts

Boston Dynamics Biped Robot Petman Achieves 4.4 mph