
Kepler-78b: First Earth-Sized Rocky Planet

APOD Science APOD APOD: 2013 October 30 – A… Today’s APOD Archive Submissions Index Search Calendar RSS Education About Discuss…

Computer-generated artist's rendering of the International Space Station as of Sept. 25, 2013.

Expedition 38 Flight Engineer Rick Mastracchio of NASA (left), Flight Engineer Koichi Wakata of the Japan Aerospace Exploration Agency (center)…

Computer-generated artist's rendering of the International Space Station as of Oct. 22, 2013.

Computer-generated artist's rendering of the International Space Station as of Sept. 28, 2013.

Artist concept of NASA's Lunar Atmosphere and Dust Environment Explorer (LADEE) demonstrating Lunar Laser Communications Demonstration (LLCD).

On October 27, 1961, NASA's Marshall Space Flight Center and the Nation marked a high point in the 3-year-old Saturn…

Artist Concept of NASA's Lunar Atmosphere and Dust Environment Explorer (LADEE) Demonstrating Lunar Laser Communications Demonstration (LLCD).

Supernova remnant G266.2-1.2 was produced by the explosion of a massive star in the Milky Way galaxy.