Snake of Smoke
From the International Space Station, British astronaut Tim Peake photographed smoke from the wildfire raging around Fort McMurray in Alberta, Canada. The fire displaced more than 80,000 people.
- Week's Best Space Pictures
Week's Best Space Pictures: Smoky Trail and Solar Streamers
Also, a ring-shaped galaxy shows off its stunning halo, and scientists marvel at the oldest micrometeorites ever found.
Feed your need for heavenly views of the universe with our pick of the most awe-inspiring space pictures.
This week, people around the world watch Mercury cross the sun's disk, scientists uncover the world's oldest space dust, and the raging fires in Fort McMurray, Alberta, spawn enormous clouds of smoke.