{"id":675293,"date":"2026-03-23T05:15:18","date_gmt":"2026-03-23T05:15:18","guid":{"rendered":"https:\/\/www.europesays.com\/us\/675293\/"},"modified":"2026-03-23T05:15:18","modified_gmt":"2026-03-23T05:15:18","slug":"mysterious-structure-on-mars-looks-uncannily-like-an-ancient-egyptian-pyramid-sciencealert","status":"publish","type":"post","link":"https:\/\/www.europesays.com\/us\/675293\/","title":{"rendered":"Mysterious Structure on Mars Looks Uncannily Like an Ancient Egyptian Pyramid : ScienceAlert"},"content":{"rendered":"<p>It would be tempting to assume there&#8217;s nothing much of note happening on  <a href=\"https:\/\/www.sciencealert.com\/mars\" class=\"lar_link lar_link_outgoing\" data-linkid=\"73083\" data-postid=\"195576\" rel=\"nofollow noopener\" target=\"_self\">Mars<\/a>, but that dusty rusty planet has a lot of interesting stuff going on.<\/p>\n<p>Most of it has to do with rocks. Mars has a lot of rocks. In fact, Mars has so many rocks that have undergone all sorts of weathering over the eons that, occasionally, it manages to produce something that looks a bit like an artificial or biological structure, if you squint.<\/p>\n<p>It&#8217;s a bit like <a href=\"https:\/\/www.sciencealert.com\/scientists-confirm-monkeys-do-not-have-the-time-to-write-shakespeare\" rel=\"nofollow noopener\" target=\"_blank\">monkeys and typewriters<\/a>. We may not get Shakespeare, but every once in a while, we might see some rocks that look enough like bugs to <a href=\"https:\/\/www.sciencealert.com\/an-entomologist-is-trying-to-convince-us-that-mars-is-covered-in-bugs\" rel=\"nofollow noopener\" target=\"_blank\">fool an entomologist<\/a>.<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.europesays.com\/us\/wp-content\/uploads\/2026\/03\/tetra-body.jpg\" alt=\"\" width=\"642\" height=\"291\" class=\"size-full wp-image-195578\"   loading=\"lazy\"\/>The geological context in which the feature appears. You can see it at the far right. (<a href=\"https:\/\/hirise.lpl.arizona.edu\/PSP_003896_1740\" rel=\"nofollow noopener\" target=\"_blank\">NASA\/JPL-Caltech\/UArizona<\/a>)<\/p>\n<p>The latest of these fascinating Mars illusions to <a href=\"https:\/\/www.dailystar.co.uk\/news\/latest-news\/mystery-three-sided-pyramid-found-36886559\" rel=\"nofollow noopener\" target=\"_blank\">hit the tabloids<\/a> is an eye-catching structure, first spotted in 2002, that resembles a three-sided pyramid perched in a wind-scoured valley called Candor Chasma.<\/p>\n<p>The claim appears to have gained traction after <a href=\"https:\/\/x.com\/BrianCoryDobbs\/status\/2033611286634721383\" rel=\"nofollow\">being shared on X by filmmaker Brian Cory Dobbs<\/a>, who has previously promoted the idea that NASA imagery contains evidence of artificial structures on Mars.<\/p>\n<p>The post quickly spread, with cropped images of the formation circulating across social media and tabloid sites.<\/p>\n<p>The images themselves are real NASA data from orbiters that first photographed the region in 2001.<\/p>\n<p>The earliest documented identification of the pyramid-like structure <a href=\"https:\/\/www.tsijournals.com\/articles\/threesided-pyramidal-formation-in-the-western-region-of-candor-chasma-13507.html\" rel=\"nofollow noopener\" target=\"_blank\">dates back to 2002<\/a>, when independent researcher Wilmer Faust highlighted a strange feature he spotted in a Mars Global Surveyor (MGS) image, E06-00269.<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.europesays.com\/us\/wp-content\/uploads\/2026\/03\/crop-tetra.jpg\" alt=\"\" width=\"642\" height=\"508\" class=\"size-full wp-image-195581\"   loading=\"lazy\"\/>The Mars Global Surveyor image obtained in 2001. (M. C. Malin, K. S. Edgett, S. D. Davis, M. A. Caplinger, E. Jensen, K. D. Supulver, J. Sandoval, L. Posiolova, and R. Zimdar, <a href=\"https:\/\/web.archive.org\/web\/20030929215552\/http:\/\/www.msss.com\/moc_gallery\/e01_e06\/images\/E06\/E0600269.html\" rel=\"nofollow noopener\" target=\"_blank\">E06-00269<\/a>, <a href=\"http:\/\/www.msss.com\/moc_gallery\/\" rel=\"nofollow noopener\" target=\"_blank\">Malin Space Science Systems Mars Orbiter Camera Image Gallery<\/a>, 2002)<\/p>\n<p><a href=\"https:\/\/web.archive.org\/web\/20160325072008\/https:\/\/thehiddenmission.com\/CandorTetrahedron.html\" rel=\"nofollow noopener\" target=\"_blank\">Later claims<\/a> of earlier discovery appear <a href=\"https:\/\/web.archive.org\/web\/20250302004744\/https:\/\/thehiddenmission.com\/CandorTetrahedron.html\" rel=\"nofollow noopener\" target=\"_blank\">inconsistent over time<\/a>, but one thing held firm: The so-called Candor Tetrahedron sure was interesting.<\/p>\n<p>Since its discovery, other orbiters have also imaged the region, notably the <a href=\"https:\/\/science.nasa.gov\/mission\/mars-reconnaissance-orbiter\/science-instruments\/\" rel=\"nofollow noopener\" target=\"_blank\">HiRISE camera<\/a> on NASA&#8217;s Mars Reconnaissance Orbiter.<\/p>\n<p>HiRISE&#8217;s high-resolution images are striking \u2013 but, when you zoom out and look at the landscape around the tetrahedron, it starts to look less odd and more like what it is: a slightly lumpy mountain carved by the same erosional forces that shaped the chasms around it.<\/p>\n<p>Candor Chasma is one of the <a href=\"https:\/\/en.wikipedia.org\/wiki\/Candor_Chasma\" rel=\"nofollow noopener\" target=\"_blank\">largest canyons on Mars<\/a>, <a href=\"https:\/\/www.jpl.nasa.gov\/images\/pia25152-candor-chasma\/\" rel=\"nofollow noopener\" target=\"_blank\">shaped by water<\/a>, landslides, wind, and maybe even <a href=\"https:\/\/www.esa.int\/Science_Exploration\/Space_Science\/Mars_Express\/Deep_valleys_of_Candor_Chasma\" rel=\"nofollow noopener\" target=\"_blank\">tectonic activity<\/a> over billions of years.<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.europesays.com\/us\/wp-content\/uploads\/2026\/03\/1774242916_164_pyramid.jpg\" alt=\"\" width=\"642\" height=\"508\" class=\"size-full wp-image-195588\"   loading=\"lazy\"\/>Another view of the geological context, showing nearby features of similar height. This image was taken by the Mars Reconnaissance Orbiter&#8217;s HiRISE camera, which acquires colour infrared information along a central strip.  (<a href=\"https:\/\/hirise.lpl.arizona.edu\/PSP_002841_1740\" rel=\"nofollow noopener\" target=\"_blank\">NASA\/JPL-Caltech\/UArizona<\/a>)<\/p>\n<p>It&#8217;s also speckled with geological formations scientists have called &#8220;<a href=\"https:\/\/doi.org\/10.1016\/j.icarus.2009.04.006\" rel=\"nofollow noopener\" target=\"_blank\">positive relief knobs<\/a>&#8220;. These are previously buried rock structures that are more durable than the bedrock that once encased them; after erosion brushed the surrounding bedrock away, the knobs were left standing.<\/p>\n<p>These knobs are not tiny: They can measure up to a kilometer (3,280 feet) in diameter, and up to tens of meters tall. The Candor Tetrahedron is around 290 meters in diameter, and a little taller than the typical knob at a height of 145 meters, but it still fits within this broader landscape of layered rock being sculpted into isolated hills.<\/p>\n<p>It&#8217;s not dissimilar to natural pyramids on Earth, either. A mountain called <a href=\"https:\/\/en.wikipedia.org\/wiki\/Cerro_Tusa\" rel=\"nofollow noopener\" target=\"_blank\">Cerro Tusa<\/a> in Colombia stands 457 meters above the surrounding terrain, with a base of 1.8 kilometers. China&#8217;s Guizhou province is <a href=\"https:\/\/doi.org\/10.1007\/978-3-642-79520-6_5\" rel=\"nofollow noopener\" target=\"_blank\">famed for its pyramid-shaped mountains<\/a>.<\/p>\n<p><a href=\"https:\/\/www.sciencealert.com\/newsletter?utm_source=promo_generic_health\" rel=\"nofollow noopener\" target=\"_blank\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.europesays.com\/us\/wp-content\/uploads\/2025\/11\/Generic-Health-Promo-Final-642x273.jpg\" alt=\"Subscribe to ScienceAlert's free fact-checked newsletter\" width=\"642\" height=\"273\" class=\"alignnone wp-image-182810 size-medium\"  \/><\/a><\/p>\n<p>If you look closely at the image of the pyramid, you can see that it sits among a bed of <a href=\"https:\/\/en.wikipedia.org\/wiki\/Aeolian_processes\" rel=\"nofollow noopener\" target=\"_blank\">aeolian ripples<\/a> \u2013 rippling ridges carved by Mars&#8217; wild winds, suggestive of ongoing erosion.<\/p>\n<p>You can also see that the ridges on the mountain aren&#8217;t geometrically perfect as you might expect from an artificial structure, but lumpy and uneven, and the three sides are not the same size either.<\/p>\n<p><strong>Related: <a href=\"https:\/\/www.sciencealert.com\/curiosity-cracked-open-a-rock-on-mars-and-revealed-a-huge-surprise\" rel=\"nofollow noopener\" target=\"_blank\">Curiosity Cracked Open a Rock on Mars And Revealed a Huge Surprise<\/a><\/strong><\/p>\n<p>Human pattern recognition is a powerful thing; we can&#8217;t help searching for <a href=\"https:\/\/en.wikipedia.org\/wiki\/Pareidolia\" rel=\"nofollow noopener\" target=\"_blank\">meaning in meaningless data<\/a>. We are particularly attuned to anything that might look like another <a href=\"https:\/\/www.sciencealert.com\/so-called-warrior-woman-isn-t-evidence-of-an-alien-civilisation-on-mars\" rel=\"nofollow noopener\" target=\"_blank\">human<\/a> or a <a href=\"https:\/\/www.sciencealert.com\/eerie-discovery-on-mars-looks-exactly-like-a-human-face\" rel=\"nofollow noopener\" target=\"_blank\">face<\/a>, but <a href=\"https:\/\/www.sciencealert.com\/what-is-the-deal-with-this-weird-hole-on-mars\" rel=\"nofollow noopener\" target=\"_blank\">geometric<\/a> <a href=\"https:\/\/www.sciencealert.com\/mystery-cube-found-on-the-far-side-of-the-moon-is-probably-not-an-alien-hut\" rel=\"nofollow noopener\" target=\"_blank\">shapes<\/a> and <a href=\"https:\/\/www.sciencealert.com\/this-cool-rock-formation-on-mars-looks-just-like-an-alien-doorway\" rel=\"nofollow noopener\" target=\"_blank\">structures<\/a> can catch our eye too.<\/p>\n<p>Mars, however, doesn&#8217;t need the embellishment of pareidolia <a href=\"https:\/\/www.sciencealert.com\/life-on-mars-perseverance-discovery-is-the-best-evidence-yet\" rel=\"nofollow noopener\" target=\"_blank\">to be interesting<\/a>. Its geology and weather have produced landscapes that are both starkly familiar and utterly unlike anything we can see on Earth.<\/p>\n<p>And, thanks to technology like the Mars Reconnaissance Orbiter, we can <a href=\"https:\/\/www.uahirise.org\/\" rel=\"nofollow noopener\" target=\"_blank\">explore those landscapes in exquisite detail<\/a>, imagining what it would be like to stand amid the soaring cliffs and rugged terrains of Mars, where only the wind has howled for billions of years.<\/p>\n","protected":false},"excerpt":{"rendered":"It would be tempting to assume there&#8217;s nothing much of note happening on Mars, but that dusty rusty&hellip;\n","protected":false},"author":3,"featured_media":675294,"comment_status":"","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[24],"tags":[352,159,783,67,132,68],"class_list":{"0":"post-675293","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-space","8":"tag-msft-content","9":"tag-science","10":"tag-space","11":"tag-united-states","12":"tag-unitedstates","13":"tag-us"},"share_on_mastodon":{"url":"https:\/\/pubeurope.com\/@us\/116276791200931587","error":""},"_links":{"self":[{"href":"https:\/\/www.europesays.com\/us\/wp-json\/wp\/v2\/posts\/675293","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.europesays.com\/us\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.europesays.com\/us\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.europesays.com\/us\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/www.europesays.com\/us\/wp-json\/wp\/v2\/comments?post=675293"}],"version-history":[{"count":0,"href":"https:\/\/www.europesays.com\/us\/wp-json\/wp\/v2\/posts\/675293\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.europesays.com\/us\/wp-json\/wp\/v2\/media\/675294"}],"wp:attachment":[{"href":"https:\/\/www.europesays.com\/us\/wp-json\/wp\/v2\/media?parent=675293"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.europesays.com\/us\/wp-json\/wp\/v2\/categories?post=675293"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.europesays.com\/us\/wp-json\/wp\/v2\/tags?post=675293"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}