subota, 08:12 ![NASA's Unexplained Files](https://tvepg.eu/hr/finland/channel/discovery_science-fb.png)
NASA's Unexplained Files
NASA's Unexplained Files
6.7/10 (378)
An astronaut on a spacewalk begins to drown. How could this alarming event happen? Plus, have NASA discovered an asteroid that's been converted into a spacecraft?