Daily life increasingly depends on systems of satellites orbiting Earth. As fleets proliferate, ever greater numbers of expired units will hurtle back toward the surface. Decommissioned satellites ...

Hot air holds more moisture. That’s why you can blow your hair dry even after a steamy shower. It’s also what dumps rain in the tropics and sucks water from desert soils. A new study, published in ...

Artemis 2's Orion capsule will hit Earth's atmosphere at nearly 24,000 mph on April 10. A heat shield and 11 parachutes will ...

After a successful lunar loop, the four astronauts face one more hurdle to splashdown, and it’s the most dangerous.

Between 30 and 60 miles above Earth’s surface lies a largely unstudied stretch of the atmosphere. It’s too high for airplanes and weather balloons, too low for satellites and nearly impossible to ...

Researchers have created a dataset of the whole atmosphere, enabling new research to be conducted on previously difficult-to-study regions. Using a new data-assimilation system called JAGUAR-DAS, ...

BOSTON - If you're wondering why it smelled like smoke from northeastern Massachusetts all the way down to the Boston area Monday, it was the brush fires in Salem and something known as an "inversion.

Unlike Earth’s life-sustaining blanket of air, the Moon has but a thin wisp of an atmosphere. Now, a new study using samples retrieved by the Apollo missions more than 50 years ago is helping ...

Venus Express has studied the true extent of Venus’s restless atmosphere. This includes the planet’s glow, its highly variable south polar vortex and the dynamic upper atmosphere, different from what ...