NASA's Best Earth-from-Space Photos by Astronauts in 2017 (Gallery)

Cosmoledo Atoll in Seychelles

In the Seychelles Islands, the Cosmoledo Atoll offers stunningly blue waters.

Namib Desert in Namibia

Astronauts captured this extraordinary image of the Namib Desert in Namibia, the oldest coastal desert in the world.

Kazakhstan's Lake Alakol with Ice

In Kazakhstan, Lake Alakol is covered with a layer of wintery white ice.

Mauna Loa, Hawaii

Hawaii's Mauna Loa sports a coat of snow.

Aurora Borealis over Canada

The aurora borealis glows with an eerie yet beautiful green over Canada

Fending Off the Wind on the Steppe in Russia

Across the steppes of southern Russia, a series of parallel lines create a windbreak. The shelterbelt protects crops from wind blowing across the steppe.