
The gusty wind didn’t make it easy to hold tight to a balloon so large. The balloon, a scientific instrument called an ozonesonde, was about to be released into the atmosphere above the Texas Gulf Coast by students from NASA’s SARP (Student Airborne Research Program), which concluded its summer session July 27. The balloon’s job […]
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Over the last decade, wildfires have worsened ground-level ozone pollution across much of the contiguous United States, creating unhealthy air far from active flames.

An astronaut’s photo, taken en route to the Moon, reveals our planet and its place in space in a novel way.

Satellites observed striking upper-atmosphere phenomena generated by an intensifying tropical cyclone.
Valley fog gathered in the Victorian Alps while an arch-shaped cloud drifted across Port Phillip Bay.

NASA’s Boeing 777 has returned to the agency’s fleet after undergoing heavy structural modifications as it transforms from a giant passenger plane into the agency’s next-generation airborne science laboratory. After a check flight and a three-hour transit from Waco, the aircraft returned to NASA’s Langley Research Center in Hampton, Virginia, on April 22. Since January […]