The NASA Soil Moisture Active Passive satellite launched just seven months ago has lost the use of one of two science instruments, the space agency has announced, adding that the mission to map global soil moisture will continue. On July 7, the radar instrument aboard the satellite stopped transmitting due to a problem with a… Read more

Ten years after Hurricane Katrina formed in the Atlantic, NASA engineers have begun building the first of eight next-generation hurricane-observing micro-satellites. NASA’s Cyclone Global Navigation Satellite System (CYGNSS) mission, is intended to improve hurricane forecasting by making measurements of ocean surface winds in and near the eye of tropical cyclones, typhoons and hurricanes throughout their… Read more

NASA is unveiling two new online tools on the three-year anniversary of the Mars landing of NASA’s Curiosity rover. The tools open the mysterious terrain of the Red Planet to a new generation of explorers, and invite the public to help with its journey to Mars. The first, Experience Curiosity allows viewers to journey along… Read more

A rich palette of X-ray and ultraviolet colors bursting from Earth’s nearest star is on display in a new image of the sun. The image is a composite, with high-energy X-rays from NASA’s Nuclear Spectroscopic Telescope Array, or NuSTAR,  shown in blue. Green shows lower-energy X-rays from the X-ray Telescope instrument on the Japan Aerospace… Read more

As it makes its long-awaited approach to Pluto, NASA’s New Horizons spacecraft has detected the presence of frozen methane on the dwarf planet’s surface. Scientists first observed the chemical compound on Pluto in 1976. Now, they have confirmed the presence of this chemical, using New Horizons’ first readings from the spacecraft’s infrared spectrometer. Will Grundy… Read more