NASA releases mysterious 50 year old recordings from Apollo 10 mission.

Left to right; Eugene Cernan, Thomas Stafford and John Young, astronauts of the Apollo 10 spacecraft Photo: Science & Society Picture Library

Left to right; Eugene Cernan, Thomas Stafford and John Young, astronauts of the Apollo 10 spacecraft Photo: Science & Society Picture Library

I know this sounds like a X-Files episode, but NASA has released some mysterious recordings from space from an 50 year old Apollo 10 mission. 

To read more, check out the full article at The Telegraph.

When three astronauts orbiting the moon noticed a strange “whistling sound” in outer space, they thought they were imagining things.
In fact, the men were so perplexed they worried about whether or not they should tell their bosses, for fear they would be laughed at and not allowed to go on future missions.
Now nearly 50 years later, the strange “space music” has been shared with the public for the first time.
— http://www.telegraph.co.uk/news/science/space/12169511/Nasa-releases-recording-of-strange-space-music-heard-by-Apollo-10-astronauts.html