A missile-warning satellite and another spacecraft are on their way to orbit to help the U.S. military get better at tracking fast-moving threats.
A poem for Europa Clipper: US Poet Laureate Ada Limón reveals ode to fly on NASA Jupiter moon mission
“It is not darkness that unites us, not the cold distance of space, but the offering of water…” Those words, by U.S. Poet Laureate Ada