Air-breathing rocket engine gets funding infusion

The technology, which sounds straight out of a science-fiction movie, has enough reality to it for the United Kingdom government to offer $90.62 million (£60 million), in stages, to a company looking to develop the engine.

Environmental concerns grow as space tourism lifts off

After years of waiting, Richard Branson's journey to space this month on a Virgin Galactic vessel was supposed to be a triumphant homecoming. Instead, the jaunt attracted significant criticism—about its carbon footprint.

Defective software could have doomed Boeing's crew capsule

Defective software could have doomed Boeing's crew capsule during its first test flight, a botched trip that was cut short and never made it to the International Space Station, NASA and company officials said Friday.

NASA's Mars helicopter makes second flight

NASA successfully carried out a second flight on Mars on Thursday of its mini helicopter Ingenuity, a 52-second sortie that saw it climb to a height of 16 feet (five meters).

NASA delays deep-space Orion test to 2019 due to costs

The first test flight of NASA's Orion capsule, designed to one day carry people to Mars, has been delayed until 2019 at the earliest due to high costs, the US space agency said Friday.

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