Jeff Bezos' Blue Origin is set for an inaugural launch of its giant New Glenn rocket on Sunday, a long-awaited first leap to Earth orbit that sets up one of the biggest challenges yet to industry dominance enjoyed by Elon Musk's SpaceX.

Bezos' New Glenn and Musk's Starship both are heading for launch, and both could lift off in close timing to each other. Here's what we know.

Jeff Bezos’s space company is about to launch New Glenn, a reusable rocket intended to rival SpaceX’s Falcon Heavy, for the first time

In the very early hours of January 10, Jeff Bezos’ Blue Origin will attempt the inaugural launch of its massive orbital rocket New Glenn. So far, the private space company has sent up into the atmosphere its New Shepard rocket,