01.08.09 - NASA and the National Science Foundation have successfully launched and demonstrated a newly designed super pressure balloon in Antarctica.
01.07.08 - Hubble images reveal 14 young, runaway stars plowing through regions of dense interstellar gas, creating brilliant arrowhead structures and trailing tails of glowing gas.
01.06.09 - The Fermi Space Telescope has discovered 12 new gamma-ray-only pulsars and detected pulses from 18 others.
01.05.09 - Astronomers have turned to an unexpected place to study the evolution of planets -- dead stars.
12.29.08 - NASA rovers Spirit and Opportunity may still have big achievements ahead as they approach the fifth anniversaries of their memorable landings on Mars.
01.16.09 - The Inauguration Committee for President-elect Barack Obama officially extended an invitation Wednesday for NASA to be part of the 56th Inaugural Parade on Jan. 20.
12.23.08 - Scattered loosely around the beltline of Earth's nearest neighbor are six silent sentinels, testaments to America's first moon program.
Look back on the top exploration and discovery stories of NASA's 50th anniversary year.
12.22.08 - About 10 years ago, scientists reached the astonishing conclusion that our universe is accelerating apart at ever-increasing speeds, stretching space and time itself like melted cheese.
12.19.08 - The frequency of extremely high clouds in Earth's tropics is increasing as a result of global warming.
12.12.08 - The astronauts of STS-126 acted as craftsmen, mechanics, spacewalkers and, of course, astronauts during International Space Station mission.
12.11.08 - NASA's Mars Reconnaissance Orbiter has completed its primary, two-year science phase.
12.09.08 - NASA's Hubble Space Telescope has discovered carbon dioxide in the atmosphere of a planet orbiting another star.
01.22.09 - NASA continues work on the rocket that will carry crew and cargo to space after the space shuttle retires.
12.04.08 - NASA's Mars Science Laboratory will launch two years later than previously planned, in the fall of 2011.
12.04.08 - Climate cycles persisting for millions of years on ancient Mars left a record of rhythmic patterns in thick stacks of sedimentary rock layers.
11.24.08 - NASA is officially moving forward on a mission to conduct an unprecedented, in-depth study of Jupiter.
11.20.08 - NASA's Mars Reconnaissance Orbiter has revealed vast Martian glaciers of water ice under protective blankets of rocky debris at much lower latitudes than any ice previously identified on the Red Planet.
11.21.08 - The CERES FM 5 sensor, which will continue the 30-year climate data record of the Earth's radiant energy, has been delivered ahead of schedule and on budget.
11.20.08 - NASA and ATK have successfully tested a launch abort motor for the Orion crew exploration vehicle.