An astronomer records an unusual radio signal from beyond the solar system. FBI agents find classified documents at the home of a NASA scientist. When scientists discover strange DNA in the octopus, they examine if their origins could be alien.
When the Soviet Union unveils its own space shuttle, the CIA hatches a secret revenge plot. Recent discoveries shed new light on the destruction of Sodom and Gomorrah. A missing nuclear weapon could threaten a NASA base in the Arctic.
The last humans to walk on the Moon discover something strange on the lunar surface ; a NASA scientist investigates a strange phenomenon responsible for horrific mass deaths.
A mysterious object orbiting Saturn looks just like the Death Star ; new evidence shed new light on the mysterious death of Yuri Gagarin, the first man in space.