The Fermi space telescope is now 10 times better at catching brief outbursts of high-energy light produced above thunderstorms.
Just 96 days since launch, the Van Allen Probes have already provided new insights into the structure and behavior of the radiation belts that surround Earth.
On Dec. 15, 2011, NASA's Solar Dynamics Observatory captured footage of Comet Lovejoy approaching the sun. The images and data collected by NASA's solar observing fleet can help scientists learn more about the sun itself.
Twin NASA probes orbiting Earth's moon have generated the highest resolution gravity field map of any celestial body.
Before a lack of rain and record-breaking heat signaled a problem in July 2012, scientists observed another indication of drought in data from NASA and NOAA satellites: plant stress.
The latest work assignment for NASA's long-lived Mars rover Opportunity is a further examination of an area where the robot just completed a walkabout.
Scientists using NASA satellite data and climate models have projected drier conditions likely will cause increased fire activity across the United States in coming decades.
NASA's Voyager 1 spacecraft has entered a new region at the far reaches of our solar system that scientists feel is the final area the spacecraft has to cross before reaching interstellar space.
NASA's Curiosity rover analyzed its first solid sample of Mars with a variety of instruments, including the Sample Analysis at Mars (SAM) instrument suite.
NASA's Mars Curiosity rover has used its full array of instruments to analyze Martian soil for the first time, and found a complex chemistry within the Martian soil.