WASHINGTON, May 12 (UPI) -- The U.S. space agency says it is planning a celebration to examine the accomplishments of its 20-year-old Earth system science program.
WASHINGTON, April 22 (UPI) -- The 39th Earth Day is being celebrated in the United States with everything from congressional hearings to the release of a Disney documentary, "Earth."
WASHINGTON, April 20 (UPI) -- The U.S. space agency is celebrating Earth Day by inviting the public to its centers to learn more about its efforts to better understand and protect Earth.
WASHINGTON, April 14 (UPI) -- The U.S. space agency says spacecraft have provided the first views of the speed, trajectory and three-dimensional shape of coronal mass ejections.
WASHINGTON, March 18 (UPI) -- U.S. space agency scientists say they will reveal new information and images about the sun and its influence on Earth in observance of Sun-Earth Day.
PASADENA, Calif., Nov. 12 (UPI) -- The U.S. space agency's first spacecraft dedicated to studying carbon dioxide in the atmosphere is being readied for launch at Vandenberg Air Force Base.
WASHINGTON, July 22 (UPI) -- The U.S. space agency Tuesday unveiled a Web site that provides information about the impact of fires and smoke on Earth's climate and ecosystems.
PASADENA, Calif., Jan. 30 (UPI) -- The U.S. space agency said Asteroid 2007 TU24 confirmed astronomers' predictions, making its closest approach to Earth at 3:33 a.m. EST Tuesday.
WASHINGTON, April 19 (UPI) -- NASA scientists said 3-D images of the sun taken by the Solar Terrestrial Relations Observatory are expanding our understanding of solar physics.
LAUREL, Md., Aug. 21 (UPI) -- Two nearly identical spacecraft designed to capture the first 3-D views of the sun are scheduled for launch Aug. 31 from Cape Canaveral, Fla.
