https://www.space.com/astronomy/mars/strange-stacked-stones-spotted-on-mars-space-photo-of-the-day-for-may-21-2026SpaceenStrange stacked stones spotted on Mars | Space photo of the day for May 21, 20262026-05-21T14:00:00Zhttps://cdn.mos.cms.futurecdn.net/RmdQT6CBov7ihjWguqRcKG.jpghttps://www.space.com/stargazing/how-one-disappointing-night-changed-the-way-i-plan-my-astrotourism-adventuresSpaceenHow one disappointing night changed the way I plan my astrotourism adventures2026-05-21T13:00:00Zhttps://cdn.mos.cms.futurecdn.net/KALnEMPLGpUi4KVZo6SK3G.jpghttps://www.space.com/astronomy/exoplanets/nasa-exoplanet-hunting-spacecraft-tess-reveals-its-most-complete-look-at-the-night-sky-yetSpaceenNASA exoplanet-hunting spacecraft TESS reveals its most complete look at the night sky yet2026-05-21T12:00:00Zhttps://cdn.mos.cms.futurecdn.net/4QyaYZvJ5xeeDVx7SyHEtY.pnghttps://www.space.com/space-exploration/launches-spacecraft/spacex-will-launch-its-1st-ever-starship-v3-megarocket-today-the-stakes-couldnt-be-higherSpaceenSpaceX will launch its 1st-ever Starship V3 megarocket today. 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'Things will get worse before they get better'2026-05-20T22:16:29Zhttps://cdn.mos.cms.futurecdn.net/HFCTMNVPzkuuxDURLkW6N8.jpghttps://www.space.com/astronomy/moon/scientists-find-a-hidden-route-to-the-moon-that-saves-fuelSpaceenScientists find a hidden route to the moon that saves fuel2026-05-20T20:00:00Zhttps://cdn.mos.cms.futurecdn.net/rZGQwdBBQsrKMwBhEWmjbR.jpghttps://www.space.com/space-exploration/launches-spacecraft/spacex-stacks-starship-v3-rocket-completes-major-fueling-test-ahead-of-debut-launchSpaceenSpaceX stacks Starship V3 rocket, completes major fueling test ahead of debut launch2026-05-20T19:20:00Zhttps://cdn.mos.cms.futurecdn.net/fAWBfdTXoiswEQfcqTk2ZH.jpghttps://www.space.com/space-exploration/launches-spacecraft/us-military-test-launches-nuclear-capable-icbm-from-california-photosSpaceenUS military test-launches nuclear-capable ICBM from California (photos)2026-05-20T19:00:00Zhttps://cdn.mos.cms.futurecdn.net/wBVhfSXiTnXRhhUjsmripE.jpghttps://www.space.com/astronomy/neptune/where-did-neptunes-mysterious-moon-nereid-come-from-it-may-be-the-only-survivor-of-the-planets-violent-historySpaceenWhere did Neptune's mysterious moon Nereid come from? It may be the only survivor of the planet's violent history2026-05-20T18:00:00Zhttps://cdn.mos.cms.futurecdn.net/Yi5ppPdA67jjPtX2AFeENb.jpghttps://www.space.com/stargazing/astrophotography/venus-and-the-crescent-moon-dazzle-in-a-spectacular-post-sunset-show-photosSpaceenVenus and the crescent moon dazzle in a spectacular post-sunset show (photos)2026-05-20T17:00:00Zhttps://cdn.mos.cms.futurecdn.net/4pDsLsXj6696pQhLB4YJT8.jpghttps://www.space.com/astronomy/earth/is-earth-getting-brighter-at-night-its-complicated-new-nasa-black-marble-project-images-revealSpaceenNASA satellite images uncover dramatic changes in Earth's nighttime lights2026-05-20T16:00:00Zhttps://cdn.mos.cms.futurecdn.net/pAx6Ge3ZsZRUB3ZHxfciuJ.jpghttps://www.space.com/stargazing/the-moon-shines-with-a-swarm-of-stars-on-may-21-as-jupiter-venus-and-mercury-line-up-nearbySpaceenThe moon shines with a swarm of stars tonight as Jupiter, Venus and Mercury line up nearby2026-05-20T15:00:00Zhttps://cdn.mos.cms.futurecdn.net/yENT5a589t4ca3Wqb6VnMA.jpghttps://www.space.com/astronomy/earth/an-astronauts-view-of-argentinas-blue-lakes-and-snow-capped-mountains-space-photo-of-the-day-for-may-20-2026SpaceenAn astronaut's view of Argentina's snow-capped mountains | Space photo of the day for May 20, 20262026-05-20T14:00:00Zhttps://cdn.mos.cms.futurecdn.net/VWRXAXsuZWwxvfCXcnJsz5.jpghttps://www.space.com/space-exploration/missions/nasas-psyche-probe-takes-amazing-photos-of-mars-on-way-to-possibly-precious-asteroidSpaceenNASA's Psyche probe takes awesome images of Mars on way to (possibly) precious asteroid2026-05-20T13:00:00Zhttps://cdn.mos.cms.futurecdn.net/MFPZagajGnoLxV2MFU95U3.jpghttps://www.space.com/astronomy/galaxies/the-universes-most-relaxed-galaxy-cluster-was-shaped-by-cosmic-violence-new-study-findsSpaceenThe universe's 'most relaxed' galaxy cluster was shaped by cosmic violence, new study finds2026-05-20T12:00:00Zhttps://cdn.mos.cms.futurecdn.net/WvkzGbD8hCmz5SnYwto4vX.jpghttps://www.space.com/space-exploration/launches-spacecraft/spacex-launching-new-v3-starship-megarocket-for-1st-time-on-may-20-watch-liveSpaceenHow to watch SpaceX launch its 1st Starship V3 megarocket today2026-05-20T10:00:00Zhttps://cdn.mos.cms.futurecdn.net/d6w5rtZNUwsKZcazQsoxYi.jpghttps://www.space.com/space-exploration/launches-spacecraft/spacex-starlink-17-42-b1103-vsfb-ocislySpaceenSpaceX launches Starlink satellites on stunning sunset Falcon 9 flight (video)2026-05-20T03:10:38Zhttps://cdn.mos.cms.futurecdn.net/Ez5BvuJ2ujw7VonzCkJMVb.jpghttps://www.space.com/astronomy/moon/lasers-in-moon-craters-could-create-a-lunar-gps-systemSpaceenLasers in moon craters could create a lunar GPS system2026-05-19T21:00:00Zhttps://cdn.mos.cms.futurecdn.net/aizQSCRn4FE9B6isyZQw44.jpghttps://www.space.com/space-exploration/launches-spacecraft/worker-dies-at-spacexs-starbase-in-leadup-to-starship-v3-megarocket-launchSpaceenWorker dies at SpaceX's Starbase ahead of Starship V3 megarocket launch2026-05-19T20:00:00Zhttps://cdn.mos.cms.futurecdn.net/jQuhN3y83kxVxQDkGw7mRf.jpghttps://www.space.com/entertainment/space-movies-shows/the-mandalorian-and-grogu-clip-reveals-how-mando-gets-his-razor-crest-spaceship-back-videoSpaceen'The Mandalorian and Grogu' clip reveals how Mando gets his Razor Crest spaceship back (video)2026-05-19T19:00:00Zhttps://cdn.mos.cms.futurecdn.net/HoDbwJzbgLtoHqUDHapb5g.jpghttps://www.space.com/space-exploration/human-spaceflight/vast-space-stations-announces-satellite-lineSpaceenVast, builder of private space stations, launches line of high-power satellites2026-05-19T18:00:00Zhttps://cdn.mos.cms.futurecdn.net/AYCRQEcCXThevpvfNjLcAd.jpghttps://www.space.com/stargazing/see-jupiter-glow-beside-the-waxing-moon-after-sunset-on-may-20SpaceenSee Jupiter glow beside the waxing moon after sunset on May 202026-05-19T17:00:00Zhttps://cdn.mos.cms.futurecdn.net/f7NA2AnKVS3dWpoPmouric.jpghttps://www.space.com/space-exploration/nasa-satellite-will-test-cryogenic-technologies-for-orbital-gas-stations-to-help-astronauts-reach-the-moon-and-marsSpaceenNASA satellite will test orbital 'gas station' tech to help astronauts reach the moon and Mars2026-05-19T16:00:00Zhttps://cdn.mos.cms.futurecdn.net/KBFywMq3L4hikNBSxc8Ni3.jpghttps://www.space.com/entertainment/space-movies-shows/star-wars-maul-shadow-lord-confirmed-what-we-already-knew-the-former-sith-has-daddy-issuesSpaceen'Star Wars: Maul – Shadow Lord' confirmed what we already knew — the former Sith has daddy issues2026-05-19T15:00:00Zhttps://cdn.mos.cms.futurecdn.net/ChqAJHufb4LL4THQfaXLkB.jpg