Aerospace Products/Parts

Companies are asking lawmakers to repeal a change in the tax code that requires businesses to spread their research-and-development costs over five years rather than deduct them immediately.…

FARNBOROUGH, England— Delta Air Lines Inc. said it was ordering 100 of Boeing Co. ’s largest 737 MAX jets,…

KPMG LLP agreed to pay a fine after the Financial Reporting Council found shortfalls in its audit of Rolls-Royce Holdings PLC, the…

SÃO PAULO—Elon Musk, the world’s richest person, flew to Brazil on Friday to announce a plan to connect thousands of schools in the Amazon to the internet and help…

A Boeing Co. BA 1.29% spacecraft blasted into orbit Thursday evening and began racing toward the International Space Station in what…

LONDON— Boeing Co. BA -4.95% won a key order for 737 MAX aircraft from the owner of British…

The startups and investors that have sent hopes soaring for “flying cars” could be in for a rough landing, in more ways than one.Hundreds of companies, new ones and legacy aviation players…

Southwest Airlines Co. LUV -1.58% played a bigger behind-the-scenes role in developing early Boeing…

Amprius Technologies Inc. has reached a deal with a special-purpose acquisition company that values the maker of silicon-anode batteries at about $1.3 billion and…

NASA’s costly rocket program could be the last time the agency mounts such an effort, according to some former NASA officials and space industry executives, as private space companies…