A strange and mysterious odor is coming from a Russian spacecraft that just docked at the International Space Station (ISS). The spacecraft, called Progress 90, arrived last weekend after launching on a Soyuz rocket from Kazakhstan. This cargo ship was carrying three tons of supplies for the astronauts aboard the ISS, including food and fuel.

When the hatch of the spacecraft was opened, the Russian cosmonauts aboard the ISS noticed something unusual. Not only did they smell an unexpected...