Cosmonauts brought a knife to a spacewalk

Let's be honest, spacewalks, as a whole, can be pretty boring to watch. 

Yes, it's one of the most dangerous things an astronaut or cosmonaut can do in space: floating out into the void with just a relatively thin spacesuit to protect them.

But at the end of the day, these spacewalks usually amount to some pretty tedious tasks performed in the name of routine maintenance on the International Space Station.

However, this week, things got a little more interesting.

On Tuesday, Russian cosmonauts Oleg Kononenko and Sergey Prokopyev ventured outside of the station to perform a little rocket surgery.  Read more...

More about Space, Science, Russia, International Space Station, and Astronauts

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