
Expedition 54-55 backup crew members pose for pictures Dec. 6 in front of the statue of Yuri Gagarin, the first…

At the Baikonur Museum in Baikonur, Kazakhstan, Expedition 54-55 backup crew member Jeanette Epps of NASA views a model of…

Expedition 54-55 backup crewmembers pose for pictures Dec. 6 in traditional Kazakh garb during a visit to a disp ay…

This false-color image is composed of 15 images taken through three color filters by NASA’s Galileo spacecraft as it passed…

Copious columns of gray-brown smoke pour off the edge of California’s coast in this image of the Thomas Fire taken…

NASA’s Aqua satellite spotted smoke from brush fires burning just south and east of Tijuana, Mexico on Dec. 7.

The wildfires in Southern California were photographed by NASA astronaut Randy Bresnik from the International Space Station during a flyover…

The wildfires in Southern California were photographed by NASA astronaut Randy Bresnik from the International Space Station during a flyover…

The wildfires in Southern California were photographed by NASA astronaut Randy Bresnik from the International Space Station during a flyover…

The wildfires in Southern California were photographed by NASA astronaut Randy Bresnik from the International Space Station during a flyover…