Throughout the entire flight a “next target” should be defined, to include position, altitude, configuration, speed, vertical ...

In early July 2025, an extraordinary event in Earth’s upper atmosphere was photographed by astronauts aboard the ...

Just Wow.” NASA astronaut Nichole “Vapor” Ayers wrote in simple words to accompany a photo from the International Space ...

While orbiting high above North America, NASA astronaut Nichole Ayers captured a rare sight- glowing red lights shimmering in ...

Scientists are working to understand the curious phenomena of red sprites, green ghosts and blue jets high above ...

The Army is scouring industry for unmanned aircraft systems to launch from medium- or high-altitude platforms that would perform tasks like intelligence, surveillance and reconnaissance, according ...

The prefix “alto” (meaning “high”) helps distinguish mid-level clouds from their lower-level counterparts (such as altostratus vs stratus). NWS cloud chart. Click to expand to full-size.

Around this time, the sun never dips far below the horizon, leaving it well placed to illuminate the high-altitude icy particles as night settles in. Noctilucent clouds most commonly appear ...

Aerosol particles in the atmosphere affect the formation and properties of clouds, and their effects are therefore important to include in models of weather and climate. However, the uncertainties ...

Astronomers are excited about the first test images released today from the Vera C. Rubin Observatory, which show the universe in unprecedented detail, from violent cosmic collisions to faraway ...