Results 1 - 10 of 152

X-47B Carrier Launch

An unpiloted combat aircraft takes off from an aircraft carrier for the first time. (01:25)

SpaceShipTwo Fires Up

Virgin Galactic sends its edge-of-space ship past Mach 1. (02:58)

How to Bag an Asteroid

NASA's plan to retrieve an asteroid and bring it (close to) home. (03:52)

The Mach-2 Bomber That Never Was

Britain's TSR-2 bomber makes its first test flight in 1964. (01:21)

“Earth is Certain to Be Struck”

A space station astronaut addresses a U.N. meeting on protecting the planet from rogue rocks. (06:44)

As Mercury Turns

The solar system's innermost planet, as seen by MESSENGER. (0:15)

The Coming Comet

Comet ISON is headed our way, and astronomers predict a big show. (0:25)

Joint Strike Fighter: A Progress Report

Highlights from the last year of F-35 testing. (05:29)

Daredevil in a Dirigible

Rare footage of early airship stuntman Roy Knabenshue. (02:06)

A Flock of Drones

These little UAVs are here to help – or will be soon. (02:04)

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