Relativity stage
Relativity Space, which uses 3-D printing for launch vehicle manufacturing, like this second stage, raised $185 million to take the company into commercial operations.

Small launch vehicle company Relativity Space announced Oct. 1 it has raised a new round of $140 million, a sign of investor confidence despite strong competition and setbacks suffered by other vehicle developers.

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Jeff Foust has more than a decade of experience writing about space policy, entrepreneurial ventures and regulatory affairs. In 2001, he established spacetoday.net to aggregate and summarize the day's space-related news stories. In 2003, he started The...