For decades, satellites passing over Earth's north and south poles have experienced a flow of ions from the upper atmosphere into space. Dubbed the 'polar wind', the source of this flow had eluded ...

NASA has turned its attention to a ghostly shroud of hydrogen that stretches far beyond the familiar blue edge of our planet, ...

NASA’s Terra satellite, launched in 1999, is approaching retirement after over 26 years, continuing to provide long-term Earth observations of land, atmosphere, and oceans.

NASA’s Carruthers mission will film Earth’s elusive exosphere to understand space weather, atmospheric escape, and planetary habitability. A NASA mission aims to photograph a feature of Earth that is ...

NASA’s veteran Mars orbiter MAVEN has fallen ominously silent, cutting off a decade-long stream of atmospheric data that reshaped how scientists think about the red planet’s past. After weeks without ...

NASA's NEOWISE spacecraft is about to return to Earth in a blaze of glory after 15 years of service. The NEOWISE (Near-Earth Object Wide-field Infrared Survey Explorer) mission has been using a space ...

NASA’s Earth Observing System provides nearly 30 years of continuous, high-quality measurements of Earth’s land, oceans, atmosphere, and ice, supporting climate research and long-term environmental ...

Scientists are observing an Earth-like exoplanet that may contain water using NASA's James Webb Space Telescope, the space agency said in a news release. The exoplanet, known as TRAPPIST-1 e, orbits ...

The Moon has no real atmosphere, but Earth has, in a sense, been generously trying to share its own for billions of years.

It is with a heavy heart that I announce that NASA Earth Science Communications has directed The Earth Observer to conduct an ...