NASA's Neil Gehrels Swift Observatory is expected to meet a fiery end early Wednesday morning, nearly 22 years after it launched to study the most powerful explosions in the universe. https://cnn.it/4iygNHP

NASA offered new details about a mad dash to get two lunar landers — built by competing companies Blue Origin and SpaceX — and the space agency's own rocket and spacecraft ready for a crucial test mission next year. https://cnn.it/4BpkyYw