Releasing balloons is like slowly littering potentially miles from where the person let them go. "We try to deter people," said Traynor, adding that she does sympathize with why people want to ...

This North Korean defector sends ‘smart’ balloons back home. Here’s a look inside his secretive assembly room ...

Why North Korea Launched Another Salvo of Trash Balloons Toward the South. The unusual offensive, across the world’s most heavily fortified border, is a revival of a Cold War-era tactic.

For decades, the National Weather Service has released weather balloons at a clockworklike cadence at more than 100 sites across the country, as well as over the Pacific and the Caribbean. Twice a ...