NASA’s Carruthers Geocorona Observatory studies Earth’s exosphere, capturing ultraviolet images to monitor atmospheric ...

A University of Iowa professor has been selected to help lead an up to $355 million NASA mission to launch a satellite measuring the upper atmosphere to help predict weather, track pollution, and ...

For years now, NASA’s Hubble Space Telescope has had its fair share of brushes with death. The groundbreaking observatory launched into low-Earth orbit 36 years ago, and it’s ...

NASA scientists have reported an unusual signal in near-Earth space, describing a phenomenon they have not previously observed so close to our planet. The finding, while still being analyzed, ...

On Jan. 31, 1958, Explorer 1 became the first satellite launched by the United States. Its primary science instrument, a ...

NASA has turned its attention to a ghostly shroud of hydrogen that stretches far beyond the familiar blue edge of our planet, launching a dedicated mission to map this vast, nearly invisible “halo” ...

(NEW YORK) — Mars is a cold, dry, desert-like planet. But billions of years ago, scientific evidence suggests that it had a thick atmosphere, which kept it warm enough to support flowing water on its ...