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<form role="search" method="get" class="search-form" action="https://www.astronomy.com/"> <label> <span class="screen-reader-text">Search for:</span> <input type="search" class="search-field" placeholder="Search …" value="" name="s" /> </label> <input type="submit" class="search-submit" value="Search" /> </form> </div> </div> <div id="content" class="site-content"> <section id="primary" class="content-area"> <main id="main" class="site-main" role="main"> <article class="post-155097 post type-post status-publish format-standard has-post-thumbnail hentry category-human-spaceflight category-space-exploration tag-human-spaceflight tag-news entry"> <div class="entry-content default-max-width enhanced-category-content"> <div class="wp-block-group alignfull block-page-heading has-blue-background-color has-background is-layout-constrained wp-block-group-is-layout-constrained" style="padding-top:var(--wp--preset--spacing--20);padding-bottom:var(--wp--preset--spacing--20)"> <div class="wp-block-columns is-layout-flex wp-container-core-columns-is-layout-1 wp-block-columns-is-layout-flex"> <div class="wp-block-column is-layout-flow wp-block-column-is-layout-flow" style="flex-basis:66.66%"> <h1 class="wp-block-heading has-white-color has-text-color">Human Spaceflight</h1> <h2 class="wp-block-heading has-white-color has-text-color">Ever since the first human spaceflight on April 12, 1961, humanity has continued to push outward to better understand our solar system and ourselves.</h2> </div> </div> </div> <div class="wp-block-group is-layout-constrained wp-block-group-is-layout-constrained"><div class="wp-block-kb-post-content-selector"><div class="wp-block-kb-post-content-selector__grid" data-layout="grid" data-count="12"> <article id="post-155097" class="wp-block-kb-post-card agency-ui-card post-155097 post type-post status-publish format-standard has-post-thumbnail hentry category-human-spaceflight category-space-exploration tag-human-spaceflight tag-news 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src="https://www.astronomy.com/wp-content/uploads/sites/2/2023/02/astronautselfie.jpg?w=600" alt="" class="wp-image-78821" srcset="https://www.astronomy.com/uploads/2023/02/astronautselfie.jpg 600w, https://www.astronomy.com/uploads/2023/02/astronautselfie-300x199.jpg 300w" sizes="(max-width: 600px) 100vw, 600px" /></a><figcaption class="wp-element-caption">ESA astronaut Alexander Gerst takes a selfie during an EVA outside the International Space Station in 2014. New research shows that when astronauts spend extended periods of time in space, their brains and eyes can suffer. Credit: NASA/SPL/Barcroft Media.</figcaption></figure> <div class="wp-block-group has-white-background-color has-background is-layout-constrained wp-block-group-is-layout-constrained"> <h4 class="wp-block-heading has-black-color has-text-color"><a href="https://www.astronomy.com/space-exploration/human-spaceflight/">Human spaceflight</a></h4> <p class="has-black-color has-text-color">Since the first human spaceflight in 1961, we’ve continued to push our boundaries.</p> <p class="has-black-color has-text-color has-link-color has-x-small-font-size wp-elements-f3b4eca828087a483c5a7f659f9d16dd"><a href="https://www.astronomy.com/space-exploration/human-spaceflight/">Explore Topic</a></p> </div> </div> </div> <div class="wp-block-column is-layout-flow wp-block-column-is-layout-flow"> <div class="wp-block-group block-tile is-layout-constrained wp-block-group-is-layout-constrained"> <figure class="wp-block-image size-large"><a href="https://www.astronomy.com/space-exploration/robotic-spaceflight/"><img decoding="async" width="600" height="338" src="https://www.astronomy.com/wp-content/uploads/sites/2/2023/02/curiosity1.jpg?w=600" alt="" class="wp-image-74376" srcset="https://www.astronomy.com/uploads/2023/02/curiosity1.jpg 600w, https://www.astronomy.com/uploads/2023/02/curiosity1-300x169.jpg 300w" sizes="(max-width: 600px) 100vw, 600px" /></a><figcaption class="wp-element-caption">This 2016 Curiosity rover selfie shows the vehicle at the “Okoruso” drilling site on Mount Sharp’s Naukluft Plateau. 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