To allow researchers to collect air samples, pilots are executing vertical spins and lower than commercial airlines.

The planes will perform "vertical spirals between 1,000 and 10,000 feet, circling above power plants, landfills, and urban ...

If you see a low-flying plane, don't worry - it's probably NASA collecting atmospheric data. "Mass layoff" provision in Trump bill sparks alarm: "Deeply concerning" ...

Marylanders shouldn't be alarmed when they see very low-flying planes circling over power plants and cities this week, NASA ...

NASA is getting ready to fly two planes over mid-Atlantic states and parts of California, where they will be carrying out ...

From Sunday, June 22 to Wednesday, July 2, two research aircraft will make a series of low-altitude atmospheric research ...

D.R. Widder, executive director of innovation at Philadelphia University, says the school was fortunate to have been chosen as one of only six video downlinks nationwide by NASA’s Teaching From Space ...

A comet that only passes by Earth once every 80,000 years could be visible at night in the Philadelphia region ... according to the NASA Space Observatory. The space agency and other observers ...

NASA is wrestling over how and when to bring two astronauts back from the International Space Station, after repeatedly delaying their return aboard Boeing's troubled capsule. Do they take a ...