In space, no one can hear you scream -- but you may hear a knock. When he was alone in a spacecraft in 2003, astronaut Yang Liwei reportedly heard a "knock" despite being alone. Liwei was the first ...

A Chinese astronaut has reported hearing a strange “knocking” sound in space – and no one is quite sure what it is. The rest of this article is behind a paywall. Please sign in or subscribe to access ...

Yang Liwei, China's first astronaut, has revealed that he heard a mysterious knock while alone in a tiny spacecraft during his maiden flight in space. In an interview, Yang said that he recalled ...

A new clip from Channel 5’s upcoming documentary "The Titan Sub Disaster: Minute by Minute” includes audio of the eerie “knocking” sound rescuers heard in their search for the Titanic exploration ...