The cluster of yellow, orange, pink and white balloons was seen Tuesday night, floating intact in the sea off Brazil's southern Santa Catarina state near de Carli's last contact point, according ...

Pink balloons have since been adopted as a symbol of solidarity in the city, and have been released at vigils around the world to honour the 22 victims, many of whom were young girls.

The FAA classifies a cluster balloon as an unpowered ultralight, along with hang gliders and parasails; pilot’s licenses are not required. The Experimental Aviation Association describes those ...