US weather balloons are fairly small, with a diameter of about 5 feet at launch. But they expand as the air around them gets thinner. At high altitude, they’re up to 25 feet across.

Praia Grande is a common destination for hot-air ballooning, a popular activity in parts of southern Brazil. The area is ...

Kathmandu (Nepal), Dec 18 (ANI): Nepal will host its first-ever International Balloon Festival next week in Nepal’s Pokhara. Addressing a press conference, the organisers of Balloon Nepal Pvt ...

Departure of Jacques Charles and Marie-Noel Robert’s ‘aerostatic globe’ balloon from the Jardin des Tuileries, Paris, on Dec. 1, 1783, ...

The annual Macy’s Thanksgiving Day Parade will soon bring together an unrivaled cast of balloon characters, along with floats, musical acts and people of all ages — from around the globe ...

The U.S. isn’t the only country that launches weather balloons for atmospheric data collection. There are around 900 sites across the globe that launch weather balloons at the same time each day ...

The Pentagon says the balloons are part of a Chinese surveillance program that has gone on for years and spanned the globe. The balloon that was recovered allegedly contained sensitive equipment ...

THE DISCORD LEAKS | One balloon flew over a U.S. carrier strike group in the Pacific, and another circumnavigated the globe with sophisticated surveillance technology.

The US intelligence community has developed a method to track China’s fleet of surveillance balloons that was only discovered within the last year, six people familiar with the matter tell CNN.

NASA Sent a Football-Stadium-Sized Super-Pressure Balloon Around the Globe for 16 Days - Here’s Why In the wide expanse of space exploration, most people imagine rockets in the sky. But not ...

The latest two aerial objects shot down by the US were balloons, Senate Majority Leader Chuck Schumer said Sunday -- as Canada reportedly suspects one of them was a spy balloon from China or Russia.

The suspected Chinese spy balloon drifts to the ocean after being shot down by the U.S. military off the coast of Surfside Beach, S.C., on Saturday. (Randall Hill/Reuters) Intelligence analysts ...