During the earliest days of crewed spaceflight, many doctors harboured concerns about what effects zero-gravity would have on the human body. While many of these concerns did not and have not come to fruition, one particular problem continues to linger: 'Space Adaptation Syndrome'.
According to NASA, the boldest test flight ever is not the Wright Brothers at Kitty Hawk, Chuck Yeager's breaking of the sound barrier, or even Yuri Gagarin becoming the first human in space. They argue it is actually the first flight of the Space Shuttle, which is marking its 40th anniversary in April 2021.
At the end of May, Doug Hurley and Bob Behnken became the first NASA astronauts to be launched into orbit from American soil using an American rocket since the retirement of the Space Shuttle. On 2 August 2020 they will return to Earth - here's what you can expect from that process.
This coming week marks the 25th anniversary of the release of Ron Howard's Apollo 13. Based on the book Lost Moon by astronaut Jim Lovell and author Jeffrey Kluger and starring Tom Hanks, Bill Paxton, Kevin Bacon, Gary Sinise and Ed Harris, it tells the true story of what many consider to be NASA's finest hour: the saving of Apollo 13. But just how accurate is it?