These are the best science images of the week
President Obama finally killed the Keystone XL pipeline, and we celebrated the 15th anniversary of the International Space Station.
We also found out what it takes to become an astronaut, and looked at what life is like in the Amazon rainforest - before mankind destroys it entirely.
And many of the stories also had beautiful images to show us the beauty in the science that's happening all around us.
Here are some of our favorites: