This is because, when it’s filled with helium, a balloon can travel many miles into the sky before it loses the ability to float. When it falls back to Earth, the string, rubber or Mylar becomes ...

The balloon will lift off into the sky each summer evening from June 21 to Sept. 14, for the next three years.

A massive beach ball, a sky full of helium balloons, and one wild experiment. We asked the question no one dared: can we really make it fly? The answer is anything but ordinary.

A giant balloon that became a popular landmark over the skies of Paris during the 2024 Olympics rose again Saturday evening, ...

A year after it captivated crowds at the Paris Olympics, a centrepiece of the summer Games has made a comeback, ...

Most of us have seen helium balloons gently float into the sky, whether by accident or intentional release. Watching a balloon disappear into the clouds can feel almost tranquil. But what goes up ...

Urban Sky will deploy high-altitude balloons over Colorado this year to ... Then the team packs one up, along with compressed helium or hydrogen gas, and drives a truck out to that location.