Blue Origin used its New Glenn rocket to launch twin probes that will study Mars' atmosphere and ionosphere — and then recovered the booster.

Intense solar storms responsible for breathtaking auroras across the U.S. delayed the launch of Blue Origin’s big new rocket Wednesday.

With Thursday's launch, Blue Origin has delivered into space its first science payload for NASA or any customer, a milestone for the company in its quest to compete on a more equal footing with Elon M...