On Monday, Russia shot down one of its own satellites in a missile exercise. The debris went straight for the International Space Station.
The U.S. called North Korea’s activity “threats” to the international community.
The launches coincided with the start of the Tokyo Olympic torch relay.
Videos appear to show the moment a surface-to-air missile hits the Ukrainian jet soon after its takeoff from Tehran.
That Deadly Nuclear Blast in Russia Happened While Trying to Rescue a Lost Missile From the Ocean Floor
The blast, which killed seven people and wounded many others, is thought to be connected to the experimental nuclear-powered "Skyfall" cruise missile.
The Lawrence Livermore National Laboratory is preserving decades-old test videos of the weapon that changed everything.
North Korean missiles fly over Japan. Daily life soldiers on.
The missile test was intended to see whether a Raytheon's SM-3 Block IIA interceptor could halt an incoming missile launched from an aircraft.
What it’s like to ride up to space with an Air Force missile warning satellite.
The FCC heard a preliminary report from an investigation into what went wrong.
At least they weren't using "password."