During the Cold War, the Soviet Union explored a weapon so extreme it sounds fictional: launching nuclear warheads into low Earth orbit, then de-orbiting them onto the United States with almost no ...

Prepare to spend a lot more time on Mars.

US President Donald Trump has said the United States has the technology to build a massive Golden Dome missile defense system, which he compared to the Ronald Reagan-era Strategic Defense Initiative ...

Sergey Mikayev emphasized the shared spirit between cosmonauts and students: a disciplined training or flight program and a ...