Portal 2 ’s very best gag comes at the start of the game, in its tutorial stages, and spins Portal ’s game-design satire into ...

The first medical evacuation in the history of the International Space Station will take place on Jan. 14, when the four astronauts of SpaceX's Crew-11 mission head home. NASA will bring four ...

Solar eclipses thrill skywatchers every year. You just have to be in the right place at the right time. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it ...

Modern militaries face a growing challenge: traditional unmanned aircraft such as MALE-class drones offer advanced ISR and strike capabilities, but their high cost and vulnerability limit their ...

This project is licensed under the GNU General Public License v3.0 (GPL-3.0). You are free to use, study, modify, and distribute this software under the terms of the GPL-3.0 license. Any derivative ...