The diagram compares the planets of the inner solar system to Kepler-69, a two-planet system about 2,700 light-years from Earth…
Workers unload NASA's IRIS spacecraft from a truck at the processing facility at Vandenberg where the spacecraft will be readied…
The diagram compares the planets of the inner solar system to Kepler-62, a five-planet system about 1,200 light-years from Earth…
VANDENBERG AFB, Calif. – Technicians work on the payload fairing that will protect NASA's Interface Region Imaging Spectrograph (IRIS) spacecraft…
Relative sizes of Kepler habitable zone planets discovered as of April 18, 2013. Left to right: Kepler-22b, Kepler-69c, Kepler-62e, Kepler-62f…
The artist's concept depicts Kepler-62e, a super-Earth-size planet in the habitable zone of a star smaller and cooler than the…
Dr. Huu Trinh and his team with the Propulsion Systems and Test Departments at NASA's Marshall Space Flight Center in…
The artist's concept depicts NASA's Kepler misssion's smallest habitable zone planet. Seen in the foreground is Kepler-62f, a super-Earth-size planet…
The artist's concept depicts Kepler-62f, a super-Earth-size planet in the habitable zone of a star smaller and cooler than the…
The X-48C Hybrid Wing Body research aircraft banked right over NASA's Dryden Flight Research Center at Edwards, CA during one…