
In the early 1960s, Richard T. Whitcomb, chief of the Transonic Aerodynamics Branch, Langley Research Center, Hampton, VA, conducted exploratory…

An annotated image of Pluto indicates features and includes a reference globe showing Pluto’s orientation with the equator and central…

Tantalizing signs of geology on Pluto are revealed in this image from New Horizons taken on July 9, 2015 from…

Kimiya Yui of the Japan Aerospace Exploration Agency (left) answers a reporter’s question.

Expedition 44/45 prime and backup crew members answer questions at a news conference.

Expedition 44/45 crew members at the Gagarin Cosmonaut Training Center in Star City, Russia.

Expedition 44/45 crew members at the Gagarin Cosmonaut Training Center in Star City, Russia.

Expedition 44/45 crew members at the Gagarin Cosmonaut Training Center in Star City, Russia.

xpedition 44/45 prime and backup crew members prepare to sign a ceremonial book in the Gagarin Museum.

Expedition 44/45 prime crew member Kjell Lindgren of NASA signs a ceremonial book in the Gagarin Museum.