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FlightGear Liveries are like paint schemes for aircraft. They tell you what airline they come from. This FlightGear how-to episode teaches you...

Flare is an open source, 2D action RPG licensed under the GPL3 license. Its game play can be likened to the games in the Diablo series. Using the...

Freeciv is a Free and Open Source empire-building strategy game inspired by the history of human civilization. The game commences in prehistory...

Anim8or is a 3D modeling and character animation program. Here's an entertaining tutorial on animating a walk cycle. All items are free to view,...

A squad-based tactical strategy game. All you need to play UFO Alien Invasion is a computer running Microsoft Windows or a supported version of...

It was shot almost entirely by astronauts on board the International Space Station in stunning IMAX quality. A Beautiful Planet provides an...

Orbiter is a free and realistic space flight simulation program for the Windows PC. Orbiter gives you an idea what space flight really feels like....

Although it is optimized for 3D astronomical visualization, Celestia can be used to display and explore other 3D environments, too. The free...

Puppet science is a great way to keep kids excited about science and do safe and educational science activities! Perfect for preschool,...

Space Place in a Snap: Quick and fun answers to big science questions brought to you by NASA's Space Place! NASA Kids Clubhouse is a place to play...

Space Place in a Snap: Quick and fun answers to big science questions brought to you by NASA's Space Place! NASA Kids Clubhouse is a place to play...

Astronauts live in space for months at a time. This a tour of the International Space Station to learn what life is like in low gravity! NASA Kids...