The payload Russia's military chose to launch on the Angara A5 is unusual. The rocket deployed its primary passenger, Kosmos ...

Physicists confirm DT fusion insights from a 1938 experiment. The findings connect past theory with current fusion efforts. A ...

The most infamous Soviet-era fighters are arguably the Sukhoi Su-27 and the Mikoyan-Gurevich MiG-29 and MiG-25.

A spacecraft launched by the Soviet Union in 1972 is due to come crashing back into Earth's atmosphere around May 10 and nobody knows where it will land.

The S-75 was developed by the Soviet Union’s Lavochkin OKB Design Bureau in the 1950s as a response to the growing threat of high-altitude American and NATO bombers.

On March 9, 1961, the Soviet Union launched Sputnik 9. This mission was a test flight of the Vostok spacecraft, which would later carry the first cosmonauts into space. Inside the spacecraft was a ...

Explorer 1 became the first successfully launched satellite by the United States when it was sent to space on 31 January 1958. A quick response to the Soviet Union’s launch of Sputnik 1 ...

On this date 56 years ago, the Soviet Union launched Soyuz 5 which would become part of the "first" space station.

Satellite history is littered with "firsts." Many early space launches constituted key moments in the Cold War space race and the progression of science.