Zero 2 Infinity's new 3D-printed engine combustion chamber for Bloostar, a balloon-assisted rocket the company is developing. Credit: Zero 2 Infinity. Updated March 24 at 11:15 a.m. Eastern.

WASHINGTON — Spanish high-altitude balloon specialist Zero 2 Infinity completed its first test flight of Bloostar, a balloon-assisted small-satellite launcher four years in development. During the ...

Spanish startup Zero 2 Infinity plans to float civilians some 130,000 feet above the surface using a helium balloon measuring 420 feet in diameter. The entire journey would lasts for six hours –three ...

Zero 2 Infinity, a company specialized in Space transportation systems, successfully launched its first rocket from the Edge of Space on March 1st. Part of the Zero 2 Infinity team sailed a few miles ...

WASHINGTON — Spanish startup Zero 2 Infinity will use a 3D-printed combustion chamber for the engines it is developing to power its Bloostar balloon-assisted orbital rocket. Spain's Andalusian ...