glide

Two bird-sized dinosaurs evolved the ability to glide but ‘weren’t great at it’, study shows

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Two magpie-sized dinosaurs that lived 160 million years ago evolved the ability to glide but were poor flyers, a new study shows.  Despite having bat-like wings, the two foot-long, feathered dinosaurs, called Yi and Ambopteryx, only managed to glide clumsily between the trees, say US researchers.  Their poor aerial ability meant they eventually died out … Read more

Pentagon successfully launches tests hypersonic glide body that flies faster than the speed of sound

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The Pentagon has successfully tested a hypersonic glide body capable of flying five times faster than the speed of sound. The test was conducted at the Pacific Missile Range Facility in Kauai, Hawaii Thursday night where it traveled at hypersonic speeds and landed on ‘a designated impact point.’ Known as the Common-Hypersonic Glide Body (C-HGB), … Read more