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, ...

Saturn’s largest moon has long looked like a frozen time capsule of early Earth, but a new set of measurements has upended ...

Webb telescope discovered a bizarre exoplanet with carbon atmosphere, no hydrogen, orbiting a super-dense spinning star.

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 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 ...

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 ...

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

A robotic arm attached to the International Space Station brings in the spacecraft carrying one of two Orbiting Carbon Observatory instruments, known as OCO-3, in 2019. NASA has put out a call for ...