Jeffrey Kluger

The true story of technical troubles that scuttle the Apollo 13 lunar mission in 1970, risking the lives of astronaut Jim Lovell and his crew, with the failed journey turning into a thrilling saga of heroism. Drifting more than 200,000 miles from Earth, the astronauts work furiously with the ground crew to avert tragedy.

Twin astronauts Scott and Mark Kelly were separated for almost a year, undergoing intensive measurements when one was in space and one was on Earth. But that was only the beginning of their scientific odyssey. "Beyond A Year in Space," PBS and Time's follow-up documentary to last year's — which followed Scott Kelly from launch to landing — chronicles Kelly's return to life on Earth and the extensive medical testing the duo undergo to determine exactly what changes have occurred as a result of his record-breaking stay on the International Space Station. The documentary also follows two new astronauts, Jessica Meir and Victor Glover, training to go even further.

Aspiring teenage astronauts reveal that a journey to Mars is closer than you think.

irected by François Pomès, this two-part documentary chronicles the epic adventure of the Apollo space program, which included both tragic setbacks and historic successes. The first phase takes place against a backdrop of the Cold War, from the disaster of the Apollo 1 mission to the triumph of the Apollo 8 mission. The last stage culminates with the Apollo 11 space flight which landed American astronauts Neil Armstrong and Buzz Aldrin on the Moon. With full-color archival images and 3D reenactments of the mission's key stages, this immersive account details the journey of the men and women who contributed to the celebrated Apollo 11 mission.