When you look at photographs of Earth from space, the planet looks like a blue marble, with patterns of clouds lying on the surface of the marble. It seems as if Earth's atmosphere is incredibly thin, ...

Bob Dylan wasn’t singing about upper atmospheric dynamics when he wrote the song, but scientists at the South Pole agree that the answer is indeed blowing in the wind. The group is studying meteoroid ...

Every January, the American Space Agency awards Phase I grants in something it calls the NASA Innovative Advanced Concepts (NIAC) program. It’s a recurrent effort to award the best ideas for the ...

This artist’s impression shows multiple small devices soaring on sunlight at the edges of Earth’s atmosphere. Scientists have devised tiny featherweight disks that could float on sunlight in Earth’s ...

Forbes contributors publish independent expert analyses and insights. An award-winning reporter writing about stargazing and the night sky. If you're in the northern hemisphere and it's been a clear ...

After more than 15 years of studying the rarest and highest clouds in our planet's atmosphere, NASA's Aeronomy of Ice in the Mesosphere, or AIM, mission has come to a close. The space agency announced ...