Watch the Falcon Heavy fire up its engines

The next time astronauts land on the moon, they will ride to the lunar surface in a spacecraft that looks a lot different than the Apollo-era landing module last used in 1972. Lander concepts proposed by SpaceX, Blue Origin and Dynetics — which won a combined $967 million in NASA funding Thursday — take wildly different approaches to carrying crews to the moon.

A German-built satellite designed to relay data between other orbiting spacecraft and ground stations using laser beams is set for launch in tandem with an Intelsat communications craft Tuesday from Kourou, French Guiana, aboard an Ariane 5 rocket.

United Launch Alliance called off the launch of a Delta 2 rocket from California’s Central Coast early Tuesday after boats ventured into a restricted safety exclusion zone and engineers ran out of time to resolve a technical problem on the launcher.