Tombstone, Ariz, is a dusty place known for Wyatt Earp's famous 1881 "Shootout at the OK Corral" This year, from August 2 to 27, it will be known as the place where scientists from NASA, the USDA, NOAA and other institutions gather and study soil moisture to improve weather forecasts and the ability to interpret satellite data.

Some people think cities and nature don't mix, but a new NASA-funded study finds that concrete jungles create warmer conditions that cause plants to stay green longer each year, compared to surrounding rural areas.

Researchers from around the globe participating in the world's largest environmental science experiment, the Large-Scale Biosphere Atmosphere Experiment in Amazonia (LBA), will, fittingly, convene in Brazil this week.

Scientists using measurements from NASA's Solar Radiation and Climate Experiment (SORCE) satellite have discovered that Venus and sunspots have something in common: they both block some of the sun's energy going to Earth.

NASA will decommission the Tropical Rainfall Measuring Mission (TRMM) later this year.

Aura, a mission dedicated to the health of the Earth's atmosphere, successfully launched today at 6:01:59 am EDT (3:01:59 am PDT) from Vandenberg Air Force Base, Calif, aboard a Boeing Delta II rocket.