# Dinosaur blood found in fossils for the first time

> **Open Intelligence Dossier** · First detected: 2026-11-03 00:00 UTC · Category: Science

## Executive Summary
Scientists have discovered fossilized red blood cells in a 115-million-year-old dinosaur bone from Brazil, marking a landmark discovery in paleontology.

## Intelligence Brief
Researchers have identified the presence of red blood cells within a dinosaur bone, an event described as a landmark discovery. This biological material was located in a fossil recovered from Brazil. According to reports from The Guardian, the dinosaur bone in question is 115 million years old. This finding represents the first time dinosaur blood has been found in fossils, providing a direct look at biological components that were previously thought to be lost to time. Coverage of this breakthrough is widespread across multiple major outlets.


Reuters reports specifically on the evidence of red blood cells found in the Brazilian fossil. BBC Wildlife Magazine emphasizes the significance of the find, labeling it a landmark discovery. Meanwhile, Yahoo highlights that this is the first time dinosaur blood has been identified in fossils, and Phys.org notes that this discovery is the oldest of its kind, suggesting it may rewrite the scientific understanding of what fossils can reveal about the ancient past. To understand why this matters now, it is necessary to note that biological soft tissues and cellular structures typically degrade over millions of years. The preservation of red blood cells in a specimen dating back 115 million years challenges previous assumptions regarding the limits of fossilization.


By accessing cellular-level data, scientists may gain new insights into the physiology of dinosaurs that were previously unavailable through the study of mineralized bone structures alone. Moving forward, the scientific community will likely focus on how this discovery alters the broader field of paleontology. Based on the reports from Phys.org, the primary area of interest is whether this discovery will rewrite the standards for what fossils can reveal about the history of life. Future analysis will likely examine the specific biological properties of the red blood cells found in the Brazil specimen to determine if similar preservation has occurred in other fossils from the same period or region.

## Multi-Source Evidence Table
| Source Outlet | Headline | Verification URL |
|---|---|---|
| New York Post | ‘Landmark discovery:’ Dinosaur blood found in fossils for the first time — and it could advance search for life in the cosmos | [Source Link](https://news.google.com/rss/articles/CBMimgFBVV95cUxQUVlLdE9Zc1NpUHk4R0pCVmxWR2wzell6MnZOSmh1ckZZSXFtdDVuUGdIMzdZd29xXzdwMS12RDJxVFpSbmdLT2xtWmdfVFhXdmpaSW9BeXBuaWJWYzFpYklkUDJLeExObWxvYjVpT1M5YlRyeENKSVlfTjRvNURsd3RVd3I4S2dvRFM4aS1OOHFUbVVhSFM2UVJB?oc=5) |
| BBC Wildlife Magazine | Scientists find red blood cells in dinosaur bone in "landmark discovery" | [Source Link](https://news.google.com/rss/articles/CBMidkFVX3lxTE9zRmpmOHQ3UUl4QjU4ckdtLW5OUWRnRDh5bzlfdWxTYWN5cDJlOUlDWTUzRFhTWUluQ2QtcmxZVEhjTDFXdzI0cUp2NEh6TGFFWDdlNWxHdkgxaGtVRUFsS2l5MHhiOG1mdHVnOEhNamc3QW9vY2c?oc=5) |
| Phys.org | Dinosaur blood—oldest discovery rewrites what fossils can reveal about the past | [Source Link](https://news.google.com/rss/articles/CBMigAFBVV95cUxPUlNsRWh2Njk1LTNINWZET1h0UmkwS1JCdUhEMHpCQkhyUlJBYW9fR1dKX3JXS3hWV1plNEdHbWhEU3VjdGNBQktCZTljaG1EcDJtZVE4ZlRYSlVPa3Z0UVFTMVNfcllTQWp0Q3dtQmoyQW8xNlBfXzVhT21UMXVBTA?oc=5) |
| Reuters | Evidence of red blood cells seen in dinosaur fossil from Brazil | [Source Link](https://news.google.com/rss/articles/CBMinAFBVV95cUxOYng2emNYbzh4ckJ5Sy02X0x6V3YycjloVHRaQ0VRRE5iWE4yaVRaYklrUklKYkEyMXFfWWFSSTVTN2o2Rl90Y1lrS1Fsb29LQ2FoWjlZTHZYOHUtQjFLbzdLamlwd1VIYkh2RjF4Y2x3R1p5Y2pYendVVlJlUk41cDRvdVVYcnhvOTNKOHRfUzdHUEhXMnhzb3M1U3U?oc=5) |
| The Guardian | Fossilised red blood cells found in 115m-year-old dinosaur’s bone, say scientists | [Source Link](https://news.google.com/rss/articles/CBMiowFBVV95cUxOMzRodEl1MHIzQnNFclgxSTVMaWczcDloaHJBeEhXRkFGT3plQWR1ZHpnVDl4bmJrYW5oajNscVFGaUtpZ0JVUWZNcTJQU2JGMXp5eVR4cG1BWHB6c21Ob0pncFlWck9NU044T1d4bTFZbjQweE1JdHU3V2Z0OGc3d2xrQXpBX2JpREg0TlRJUlhDRXo2bEFCMTh1bnpUM0Qzclp3?oc=5) |
| Yahoo | Dinosaur blood found in fossils for the first time | [Source Link](https://news.google.com/rss/articles/CBMimAFBVV95cUxPbFlsR1lKYU54M0x2bGppU2RCWWQ1UzR1ZF9yc29mQ2ZUVVZQMzBIS2l4VUZ4dHQ4TWFfMFFNZDJUX3lKQ0lCbmNFbjAyazU3VTlZOE16aUttcEtPMm8yOW1BU1pZakZOT0t2T1lUMWJuRElwbkdVU3l1ZllsVUxPcGhNbHVxS1dUSVd6V014WUFyYnUyNW9mWg?oc=5) |

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