https://www.purposenation.org/about-us-1 daily 0.75 2017-08-17 https://www.purposenation.org/new-blog daily 0.75 2026-08-04 https://www.purposenation.org/new-blog/2026/7/31/life-in-complete-darkness-project-hail-marys-erid monthly 0.5 2026-08-04 https://images.squarespace-cdn.com/content/v1/59605e61b8a79bc707f41adb/0e661b12-f5a1-4c4b-a7e9-091bbe25f425/Earth_and_Super-Earth.jpg Blog - Life in complete darkness: Project Hail Mary's Erid - Make it stand out Erid is a huge rocky planet, similar to this real exoplanet 55 Cancri E. Image credit: https://commons.wikimedia.org/wiki/File:Earth_and_Super-Earth.jpg https://images.squarespace-cdn.com/content/v1/59605e61b8a79bc707f41adb/872e19f0-353c-48fb-be33-f7c0434bbf8d/crinoid.jpg Blog - Life in complete darkness: Project Hail Mary's Erid - Make it stand out Sessile marine deep-sea animals like Crinoids are good examples of what “vegetation” could look like on Erid. Image credit: https://commons.wikimedia.org/wiki/File%3AExpl5406.jpg https://images.squarespace-cdn.com/content/v1/59605e61b8a79bc707f41adb/b4f73401-8977-49b9-b966-47896dec8e1a/South_eastern_Pacific_species_of_Petrolisthes%2C_Allopetrolisthes%2C_and_Liopetrolisthes_%28Porcellanidae%29.jpg Blog - Life in complete darkness: Project Hail Mary's Erid - Make it stand out Despite these Porcelain Crabs (Porcellanidae) looking like run-of-the-mill crabs, they are not closely related to true crabs (Brachyura). The armored body and pinchy claws are just too versatile for a lineage to pass up! Image credit: https://commons.wikimedia.org/wiki/File:South_eastern_Pacific_species_of_Petrolisthes,_Allopetrolisthes,_and_Liopetrolisthes_(Porcellanidae).jpg https://www.purposenation.org/new-blog/2026/7/23/gtzalq8mrvubp3em2zvrn3l6mvtwg6 monthly 0.5 2026-07-23 https://images.squarespace-cdn.com/content/v1/59605e61b8a79bc707f41adb/253d8979-c98e-4daf-806a-5c4783862838/cyborg+roach+figure+1.webp Blog - Cyborg Scuba Roaches: The Future of Aquatic Robotics? - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://www.purposenation.org/new-blog/2026/7/23/dove-labs-lunch monthly 0.5 2026-07-23 https://images.squarespace-cdn.com/content/v1/59605e61b8a79bc707f41adb/c51a09ee-72f6-4e1d-afc7-e38f6a21e77b/DoveLavs+Placeholder+Logo+2.png Blog - New: The launch of Dove Labs! - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://www.purposenation.org/new-blog/tag/speculative+evolution monthly 0.5 https://www.purposenation.org/new-blog/tag/biology monthly 0.5 https://www.purposenation.org/new-blog/tag/nature monthly 0.5 https://www.purposenation.org/new-blog/tag/robotics monthly 0.5 https://www.purposenation.org/new-blog/tag/sci+fi monthly 0.5 https://www.purposenation.org/new-blog/tag/technology monthly 0.5 https://www.purposenation.org/new-blog/tag/space monthly 0.5 https://www.purposenation.org/new-blog/tag/rocky monthly 0.5 https://www.purposenation.org/new-blog/tag/STEM monthly 0.5 https://www.purposenation.org/new-blog/tag/worldbuilding monthly 0.5 https://www.purposenation.org/new-blog/tag/science monthly 0.5 https://www.purposenation.org/new-blog/tag/insect monthly 0.5 https://www.purposenation.org/new-blog/tag/project+hail+mary monthly 0.5