spaceScienceThe Iconic Arecibo Telescope Goes Quiet After Major DamageBy Daniel OberhausSecurityThe Feds Want These Teams to Hack a Satellite—From HomeBy Sarah ScolesSecurityHackers Are Building an Army of Cheap Satellite TrackersBy Lily Hay NewmanScienceWe might be totally wrong about water on MarsBy Matt ReynoldsScienceNasa just sent a tiny autonomous helicopter to the surface of MarsBy Daniel OberhausScienceNASA Just Launched Its New Perseverance Rover to MarsBy Daniel OberhausScienceHow to See Comet Neowise Before It’s GoneBy Daniel OberhausScienceChina’s First Mars Rover Launch Could Make HistoryBy Daniel OberhausScienceHow NASA Built a Self-Driving Car for Its Next Mars MissionBy Daniel OberhausScienceThe UAE’s First Mars Mission Is a Robo-MeteorologistBy Daniel OberhausScienceSpaceVR offers a new perspective on Earth – from a tank in BrooklynBy Klaus ThymannScienceAstronomers Are Uncovering the Magnetic Soul of the UniverseBy Natalie WolchoverScienceWhy NASA Designed a New $23 Million Space ToiletBy Daniel OberhausScienceAstronomers Track a Fast Radio Burst to Its Source—a MagnetarBy Shannon HallScienceThe Remarkable Stuff Scientists Accomplish Working From HomeBy Chris WrightScienceSpaceX Launched Two Astronauts—Changing Spaceflight ForeverBy Daniel OberhausScienceWatch SpaceX and NASA Launch Two Astronauts to the ISSBy Daniel OberhausPhotoSpace Photos of the Week: An Eternal Voyage of DiscoveryBy Shannon StironeScience‘Oumuamua Might Be a Giant Interstellar Hydrogen Iceberg By Daniel OberhausScienceSpaceX’s first-ever human flight is Elon Musk’s biggest moment yetBy Jonathan O’CallaghanScienceWeather Delays the SpaceX Crew Dragon LaunchBy Daniel OberhausScienceVirgin Orbit’s Air-Launched Rocket Fails Its First TestBy Daniel OberhausScienceThis Citizen Science Gig Pays People to Match Space PhotosBy Sarah ScolesCultureNasa’s SpaceX launch means the return of astronaut wake-up callsBy Matt AllinsonMore Stories