Seeing Starlight Through a Planet's Rim

September 24, 2014

NASA Telescopes Find Clear Skies and Water Vapor on Exoplanet

Astronomers using data from three of NASA's space telescopes -- Hubble, Spitzer and Kepler -- have discovered clear skies and steamy water vapor on a gaseous exoplanet.

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Elevation data at the highest possible resolution from NASA's Shuttle Radar Topography Mission

September 23, 2014

U.S. Releases Enhanced Shuttle Land Elevation Data

High-resolution topographic data from NASA's Shuttle Radar Topography Mission, previously only available for the United States, will be released globally over the next year.

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Artist's concept of the LA Megacities Carbon Project observing system.

September 23, 2014

NASA, Partners Target Megacities Carbon Emissions

As world leaders meet to discuss Earth's climate, NASA is participating in an international initiative to monitor the greenhouse gas emissions of Earth's most populous cities.

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The image shows Kelvin waves of high sea level (red/yellow) crossing the Pacific Ocean at the equator.

September 22, 2014

The Fickle El Nino of 2014

Prospects have been fading for an El NiƱo event in 2014, but now there's a glimmer of hope for a very modest comeback.

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MAVEN (Artist's Concept)

September 21, 2014

NASA's Newest Mars Mission Spacecraft Enters Orbit around Red Planet

NASA's MAVEN spacecraft successfully entered Mars' orbit at 7:24 p.m. PDT (10:24 p.m. EDT) Sunday, Sept. 21, where it now will prepare to study the Red Planet's upper atmosphere.

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At Cape Canaveral Air Force Station's Space Launch Complex 40

September 20, 2014

NASA Launches RapidScat Wind Watcher to Space Station

A NASA mission to boost global monitoring of ocean winds for improved weather forecasting and climate studies is now breezing its way to the International Space Station.

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A SpaceX Falcon 9 rocket on the launch pad at Launch Complex 40 at Cape Canaveral Air Force Station, Florida.

September 20, 2014

NASA's ISS-RapidScat is Headed Into Space!

The SpaceX Dragon capsule carrying the ISS-RapidScat mission has separated from the Falcon 9 launch vehicle, and the Dragon capsule is in its final preliminary orbit. Berthing with the space station is scheduled for Tuesday, Sept. 23.

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ISS-RapidScat will have a close-up view of ocean winds from its perch

September 18, 2014

Five Things About NASA's ISS-RapidScat

Five rapid facts about NASA's RapidScat mission to monitor ocean winds, scheduled for launch to the International Space Station on Saturday, Sept. 20.

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NASA's MAVEN spacecraft

September 17, 2014

NASA Mars Spacecraft Ready for Sept. 21 Orbit Insertion

NASA's Mars Atmosphere and Volatile Evolution (MAVEN) spacecraft is nearing its scheduled Sept. 21 insertion into Martian orbit after a 10-month interplanetary journey.

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Artist concept of NASA's Dawn spacecraft orbiting Ceres during an upcoming flyby.

September 16, 2014

Dawn Operating Normally After Safe Mode Triggered

The Dawn spacecraft has resumed normal ion thrusting after the thrusting unexpectedly stopped and the spacecraft entered safe mode on September 11.

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