Among existential threats to humanity, asteroid impacts rank high — in part because they’ve caused extinction-level events on Earth so many times before. Indeed, the dinosaurs perished 66 million ...

With the backing of a new private equity owner, Systems Planning and Analysis has made an acquisition of its own to bolster the company’s presence on government advisory and assistance programs. SPA ...

NASA has awarded lucrative contracts to three U.S. companies—Blue Origin, Nanoracks, and Northrop Grumman—to develop space station concepts that will serve both public and private interests in space.