{"id":26851,"date":"2026-02-11T11:42:22","date_gmt":"2026-02-11T16:42:22","guid":{"rendered":"https:\/\/www.ecoticias.com\/en\/?p=26851"},"modified":"2026-02-12T11:31:00","modified_gmt":"2026-02-12T16:31:00","slug":"the-mission-to-bring-earths-most-valuable-rocks-from-mars-is-considered-a-failure-and-now-china-could-get-there-first-with-a-return-in-2031","status":"publish","type":"post","link":"https:\/\/www.ecoticias.com\/en\/the-mission-to-bring-earths-most-valuable-rocks-from-mars-is-considered-a-failure-and-now-china-could-get-there-first-with-a-return-in-2031\/26851\/","title":{"rendered":"The mission to bring Earth’s most valuable rocks from Mars is considered a failure, and now China could get there first with a return in 2031"},"content":{"rendered":"\n

A few dozen metal tubes scattered across Mars may hold our best clues to past life. For now, they are staying right where they are. In a new spending bill<\/a>, the US Congress has declined to keep funding NASA\u2019s current Mars Sample Return plan, halting the mission architecture that was supposed to bring those tubes back to Earth.<\/p>\n\n\n\n

Lawmakers write in the bill\u2019s report that it \u201cdoes not support the existing Mars Sample Return program\u201d while still providing about $110 million for a new Mars Future Missions line. That money keeps work going on entry, descent and landing systems, radar, spectroscopy and other tools that could support later Mars missions, including any future attempt to collect the cached samples. NASA\u2019s overall budget remains near $24.4 billion, with about $7.25 billion for science, so space research continues, but the single most ambitious robotic mission has been put on ice.<\/p>\n\n\n\n

A flagship mission on pause<\/h2>\n\n\n\n

Mars Sample Return was always bold and expensive. Independent reviews <\/a>warned that the price could reach $8 to $11 billion, with the most recent NASA estimate pushing costs close to $11 billion and sample arrival no earlier than 2040. To succeed, NASA and the European Space Agency would have needed to land near the Perseverance rover<\/a>, pick up more than 30 cached tubes, launch them off Mars, then catch the container in orbit before sending it back toward Earth.<\/p>\n\n\n\n

\n
\n
\n

Read More: For 25 years, we believed that 70% of the universe was \u201cdark energy\u201d… but this new theory could prove that it was all a mistake<\/a><\/h3>\n<\/div>\n<\/div><\/div>\n<\/div>\n\n\n\n

NASA spent much of 2024 asking industry for simpler designs that leaned on proven hardware instead of brand new systems. At the end of the day, though, Congress chose not to back even a revamped campaign right now, keeping engineers on key technologies while closing the door, for the moment, on a full-scale sample return.<\/p>\n\n\n\n

The rocks that changed the conversation<\/h2>\n\n\n\n

Why does this decision sting so much for planetary scientists? Because Perseverance has already drilled into rocks that may preserve the clearest hints yet of ancient Martian microbes. In Jezero Crater, the rover has found speckled mudstones and mineral nodules rich in minerals such as vivianite and greigite<\/a> that, on Earth, often form where microbes interact with mud and flowing water.<\/p>\n\n\n\n

One core from this region, nicknamed Cheyava Falls<\/a>, contains organic matter and mineral patterns that NASA researchers describe as possibly \u201cthe clearest sign of life that we have ever found on Mars,\u201d while stressing that non-biological explanations are still possible. Sorting out what really happened will require delicate measurements and strict contamination controls that only full-scale Earth laboratories can provide. That need is exactly why recent National Academies Decadal Surveys<\/a> named Mars Sample Return the highest flagship priority for robotic planetary exploration.<\/p>\n\n\n\n

China steps into the spotlight<\/h2>\n\n\n\n

If the United States steps back, who will try to bring Mars rocks home first? All eyes now turn to China. The Tianwen 3 mission<\/a> is planned for launch around 2028 and aims to collect at least 500 grams of Martian material, with a return to Earth targeted for about 2031.<\/p>\n\n\n\n

\n
\n
\n

Read More: NASA is already moving its giant rocket to platform 39B, and the manned return to the Moon begins with a 4-mile journey at walking pace<\/a><\/h3>\n<\/div>\n<\/div><\/div>\n<\/div>\n\n\n\n

Tianwen 3 is expected to touch down in a comparatively simple, easy-to-reach region rather than the carefully chosen river delta that Perseverance is exploring<\/a>, which lowers risk but may offer fewer chances for clear biosignatures. If it succeeds, China will likely deliver Mars samples almost a decade before any new US effort, a symbolic shift that several experts compare to a renewed space race.<\/p>\n\n\n\n

Why this matters for life and climate<\/h2>\n\n\n\n

Most of us will never leave Earth. We will stay here juggling electric bills, traffic jams and that sticky summer heat we all know. Yet the story locked away in those Martian rocks<\/a> speaks directly to our own planet. The samples could show how long water truly lasted on Mars, how quickly the climate shifted and whether simple life ever gained a foothold there.<\/p>\n\n\n\n

That kind of record feeds into our understanding of planetary habitability, including the way atmospheres erode, how greenhouse gases rise and fall and how fragile long-term climate stability can be. Scientists also see Mars Sample Return as a dress rehearsal for safer human exploration<\/a>, since landing heavy hardware, launching a rocket from another world and containing alien material without contaminating either planet are all skills that matter if people are ever going to walk on the Red Planet and come home healthy.<\/p>\n\n\n\n

What happens next<\/strong><\/h3>\n\n\n\n

For now, the sample tubes that Perseverance has cached in Jezero stay put, coated in Martian dust and waiting for a ride that does not yet exist. NASA will keep refining landing, radar and entry technologies under the Mars Future Missions budget line, and advocacy groups hope that a leaner, more affordable sample return plan can eventually grow out of that work.<\/p>\n\n\n\n

\n
\n
\n

Read More: Astronomers discover a baby galaxy in turbo mode: it converts more than 180 \u201csuns\u201d of gas per year into new stars… while ours barely reaches 1<\/a><\/h3>\n<\/div>\n<\/div><\/div>\n<\/div>\n\n\n\n

In practical terms, that means the most promising rocks for answering the life on Mars question are stuck in limbo while budgets and politics catch up. Whether they end up in a laboratory in Houston, Beijing or somewhere else entirely is suddenly an open question.<\/p>\n\n\n\n

The official statement was published by the US House of Representatives<\/a>.<\/p>\n","protected":false},"excerpt":{"rendered":"

A few dozen metal tubes scattered across Mars may hold our best clues to past life. For now, they are … <\/p>\n

Read more<\/a><\/p>\n","protected":false},"author":13,"featured_media":26852,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[19],"tags":[],"class_list":["post-26851","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-science","resize-featured-image"],"_links":{"self":[{"href":"https:\/\/www.ecoticias.com\/en\/wp-json\/wp\/v2\/posts\/26851","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.ecoticias.com\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.ecoticias.com\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.ecoticias.com\/en\/wp-json\/wp\/v2\/users\/13"}],"replies":[{"embeddable":true,"href":"https:\/\/www.ecoticias.com\/en\/wp-json\/wp\/v2\/comments?post=26851"}],"version-history":[{"count":2,"href":"https:\/\/www.ecoticias.com\/en\/wp-json\/wp\/v2\/posts\/26851\/revisions"}],"predecessor-version":[{"id":27160,"href":"https:\/\/www.ecoticias.com\/en\/wp-json\/wp\/v2\/posts\/26851\/revisions\/27160"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.ecoticias.com\/en\/wp-json\/wp\/v2\/media\/26852"}],"wp:attachment":[{"href":"https:\/\/www.ecoticias.com\/en\/wp-json\/wp\/v2\/media?parent=26851"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ecoticias.com\/en\/wp-json\/wp\/v2\/categories?post=26851"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ecoticias.com\/en\/wp-json\/wp\/v2\/tags?post=26851"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}