NASA's massive super-pressure balloon has completed a 16-day trip around the Southern Hemisphere — a milestone in ...

A strange atmospheric pattern known as an "omega block" is preventing the usual eastward progression of weather across the ...

NASA’s giant super pressure balloon, carrying the HIWIND experiment, is racing across the Pacific after launching from New ...

A remnant of the Soviet Venus program, Kosmos 482 has stayed aloft in in Earth's orbit for 53 years. But it may make a return ...