Live coverage: Ariane 5 launches satellites for Saudi Arabia and India

India’s Polar Satellite Launch Vehicle has been stacked on its launch pad for blastoff early Wednesday with a new resource-mapping satellite to aid in urban planning, crop monitoring and improve emergency response to natural disasters.

An atmospheric test model of Sierra Nevada’s Dream Chaser space plane is being readied for tow and landing tests at NASA’s Armstrong Flight Research Center in California this spring.

SpaceX launched 60 more spacecraft Wednesday to join the Starlink fleet beaming broadband signals around the world, while the company’s engineers move closer to debuting a sunshade that could reduce the satellites’ impacts on ground-based astronomy.