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Hydraulic pump glitch scrubs Pegasus launch
Trouble with a hydraulic pump needed to release Orbital ATK's air-launched Pegasus XL rocket from its carrier jet Monday has delayed the deployment of eight NASA hurricane research satellites until at least Wednesday.

Pegasus XL launch timeline with NASA’s CYGNSS microsats
Orbital ATK's Pegasus XL rocket will take about eight minutes to reach orbit with NASA's eight CYGNSS weather research microsatellites, then comes deployment of the spacecraft more than 300 miles above Earth.

Live coverage: Pegasus rocket successfully fires into orbit
An Orbital ATK Pegasus XL rocket carrying eight hurricane research satellites for NASA fired into orbit Thursday at 8:37 a.m. EST (1337 GMT) off the east coast of Florida.

New-generation geostationary weather satellite launched by China
The first satellite in an upgraded series of Chinese geostationary weather observatories lifted off on top of a Long March 3B rocket Saturday to demonstrate the performance of new spacecraft systems and instrumentation.

Photos: Orbital ATK’s temporary Pegasus home base at Cape Canaveral
Take a look around the L-1011 jetliner, Pegasus rocket, and ground support gear at Cape Canaveral Air Force Station's Skid Strip for Monday's scheduled launch of eight microsatellites to listen for winds inside hurricanes.

Video: Inside the CYGNSS satellite factory and the Pegasus carrier aircraft
Spaceflight Now visited the CYGNSS production facility at the Southwest Research Institute in San Antonio and the Pegasus XL rocket's carrier plane at Cape Canaveral for rare looks at hardware that make NASA's $157 million hurricane research mission possible.

Video: Pegasus and CYGNSS pre-launch news conference
This is the pre-launch news conference for NASA's CYGNSS hurricane research mission featuring a constellation of eight microsats launching Dec. 12 aboard an Orbital ATK Pegasus XL rocket off the Florida coast.

Photos: Hurricane research satellites readied for launch
Eight miniature weather observatories, each the size of a piece of carry-on luggage, were installed on a specially-designed deployer module and mounted on the front end of an air-launched Pegasus XL rocket to prepare for Monday's flight into orbit.

NASA-funded satellite fleet could give hurricane forecasting a boost
Eight mini-satellites packed snug inside a Pegasus rocket slung under a modified jumbo jet will fire into orbit Monday off Florida's East Coast, launching on a $157 million NASA mission that could help forecasters better predict how strong hurricanes will be when they strike land.

NASA selects builder for robotic satellite servicing craft
NASA has a builder to construct a five-ton spacecraft to catch up with the aging Landsat 7 Earth observation satellite and refuel it in 2020, employing robotic tools mastered in years of rehearsals on the International Space Station.