44min - A recently declassified letter written by President Kennedy demands that the CIA share their UFO data with NASA.
44min - Jupiter is far hotter than it should be, and scientists don't understand why. The Curiosity Rover finds something strange on Mars that could it be a lost spacecraft or something far more sinister. Detectives turn to NASA for help with a murder cold case.
43min - Two suns photographed in the sky over Indonesia may be the first sighting of our sun's evil twin. Then, NASA scientists are baffled by ghostly swirls on the moon's surface, and an astronaut disappears during his return to Earth.
44min - An astronomer records an unusual radio signal from beyond our solar system. Then, when scientists discover strange DNA in the octopus, they examine if their origins could be alien.
44min - When NASA spots something on Mars that resembles Stonehenge, they investigate what could have made this structure. Then, scientists discover a mysterious hole in Saturn's rings, and an ancient tribe claims contact with aliens.
44min - The CIA hatches a secret revenge plot when the Soviet Union unveils its own space shuttle. Then, recent discoveries shed new light on Sodom and Gomorrah, and a missing nuclear weapon could threaten an Arctic NASA base.
43min - The last humans to walk on the Moon discover something strange on the lunar surface. Then, a scientist investigates a phenomenon responsible for horrific mass deaths, and a NASA mission threatens an American hero's reputation.
43min - A mysterious object orbiting Saturn looks just like the Death Star. Then, new evidence might shed light on the mysterious death of the first man in space, and a missing cutting-edge satellite escalates fears of a space war.
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World's Biggest Shipbuilders
Curse of the Bermuda Triangle
How the Earth Works
Jeff Bezos In Space: Blue Origin Takes Flight
Hacking the Wild
Mega Engineering
Above and Beyond: NASA's Journey to Tomorrow
World's Top 5
Titanic: Anatomy of a Disaster
Through the Wormhole with Morgan Freeman
Stephen Hawking's Grand Design
Impossible Builds
Massive Engineering Mistakes
Making The Most Of The Micro
Micro Live
The Computer Programme
Universe Unravelled with the Stephen Hawking Centre
How Do They Do It?: Specials
Tomorrow's World
The Detonators
Mega Rigs
How Do They Do It?: Olympic Winter Games
Man v Expert
