Spacecraft

The U.S. space agency’s Skyfall project calls for sending robotic helicopters to Mars on a nuclear-powered spacecraft before the end of Donald Trump’s presidency

NASA’s Swift space telescope is doomed to burn up in Earth’s atmosphere later this year. A daring mission to boost it to safety could have big implications for science

A major defense against everything space throws at us, Earth’s magnetic field may even protect the moon from damaging galactic cosmic rays

NASA chief Jared Isaacman announced a $30-billion plan to speed up its lunar landings and establish a U.S. moon base by 2036

Faced with the imminent retirement of the International Space Station, NASA is pushing to speed up work on its potential replacements

The U.S. space agency will aim to send a nuclear-powered spacecraft to Mars—a first—in a bid to show that nuclear propulsion can be used to send missions into deep space

Once unfathomable, the milestone of a single company having 10,000 satellites operating overhead signals that the era of mega constellations is here to stay

China and the U.S. are in a high-stakes race to build permanent lunar outposts. Can both nations coexist on the moon?

An obscure lunar region called Rimae Bode is emerging as a high-priority landing site for China’s first crewed moon mission

Two NASA spacecraft—the MAVEN orbiter and the Perseverance rover—have now seen very different signals suggesting lightning on Mars

The announcement that NASA will rejigger Artemis III not to land on the moon in 2027 came after the agency’s Artemis II mission encountered problems, delaying its launch

Just a day after NASA set a March 6 target date for its upcoming moon mission, the agency’s head announced it will roll back Artemis II’s rocket from the pad entirely