# One giant step: first known T rex footprints found in North Dakota

> **Newsylist Open Intelligence Dossier** · First detected: 2026-09-11 15:29 UTC · Category: Science · Sources: 6 · Current Velocity: 3.67

## Multi-Source Evidence Table
| Source Outlet | Headline | Published (UTC) | Verification URL |
|---|---|---|---|
| IFLScience | World's First Adult T. Rex Trackway Discovered By High School Teacher, We Could Scrap The Leap Second As Early As Next Month, And Much More This Week | 2026-09-11 15:16 | [Source Link](https://news.google.com/rss/articles/CBMiigJBVV95cUxPSDMzbTNoelhGMFFqSmdiNmh5SmdWNW02VnhkTEE1SUlIbnE0TVZ5YzdCWGotc0RtVWZkeW9wYWNBQkJHb25lLTl5V0hGanFjZm55ekQ2Q0piM1JaQ0UzZ2VBSERHWTI4aWNLQ1EzUWZfX09mcE85ajhQNWp6VlZSaHEyTmtrMGFxYTVHeWtZTUtQVHRMbzJhbVFRQkxoREFjRXRoN2ZhSGFoSGxhVGpiXzExRlc0Yk5NbGpZSEZQdzFOMFJPVVZXYU1FOURUcDNjb05mQmNjUDVnams3NGZPS1dOSTRJUDNpT201TEdyUG9ac2E0TzU4dC1QTm8wWE1oT3F6TFVqa0RfZw?oc=5) |
| Space Daily | Four giant three-toed prints found in 2025 near Marmarth, North Dakota turned out to be the first trackway ever attributed to an adult T. rex, and the 66.5-million-year-old sequence records a 13-foot stride | 2026-09-11 15:16 | [Source Link](https://news.google.com/rss/articles/CBMixAJBVV95cUxOOEhIUFFtemk0Sm5MbzFqeWs1SHdxNF9YQjFpUk02QnpVSzVFTTkxc3lSTUNyUWFsd2xGZ1lsSmVZeEc3OWNGY3BPSGgybjBfaUZHYl9pb2VUanE4ei1ZTHhzUkRlUWx0b1lmRFhqNnZCcGEyTWN0ZlV6TTh0Sm5aeGZnaG1abW1WajdHRHdvZUM1d2lKYnRhT3FSRHZLTHdzbHA0U0ZCNEpEakZlM0EwRHZXUWx4RV9taDBXRjh0RzBPamZSWU1Jc1J6d1BfR19hNXJhc190RUNVVWNONEJxejVSTDlFVDBNMFl1MGJVU3FFSW8zeEw3cFNEMjB1dXdtVVBMd1JWSDRPNVpVWjRnaDhLb1Y5VUFTZWNNZzJuZlA3dUVLdTl6T1VNa3ROdWo5bDFUbFZXOUhkUGVoanpIWk1zeUg?oc=5) |
| KCCI | First-ever adult Tyrannosaurus rex trackway discovered in North Dakota badlands | 2026-09-11 15:16 | [Source Link](https://news.google.com/rss/articles/CBMiogFBVV95cUxPTnN3VTRkWmlOOTMyWFFVdmJKVDFjc3dFU0NMajNERzU1VmtTRkJrWjljXzFfdzg0bUhUSU1UTl80WFVvRnMtZU5CTmIxTFU3eWJYYnN3bFBvbG1HTG5UcEN6dEhPb01BUWFiaU44eTluUXZVa1VJc0hRc28wUTFqYmE3S3V1Ry1zT05yblp3Uy0xZkI0c2o0NU90WGVXWGJLMGc?oc=5) |
| newser.com | T. Rex Footprints Are a Discovery | 2026-09-11 15:16 | [Source Link](https://news.google.com/rss/articles/CBMifkFVX3lxTE9vWlk0MExrWHlxNUY4c1RBTTNLeWdtbkVDQ0NnV3JQRHluT2dZam9JcGt3djRNTnUwOHliSkVIT2FqVjRaNGdzdEZVVEo0RktmSjlESHl0aF9fWWZZdW5IXy1BRE9LdjJBODJ6SC11MG4tLTlOanZpYTl0UjdOdw?oc=5) |
| The Daily Galaxy | A High School Teacher Stumbled on a 66.5-Million-Year-Old T. Rex Trackway, and Paleontologists Couldn't Believe Its Speed | 2026-09-11 15:16 | [Source Link](https://news.google.com/rss/articles/CBMigAFBVV95cUxOT1Q0dzJoYm1rYmdmM2llNmtRbTlwbFN2MmpLa092VFVxVURwUGdaSjI4UF8yWURIMFJLYlNXd2dWWWUzaGwxV09oYzVRQVhYRzRicmJwejRYM2piMjNjWFZfUlgzODhHQkhuZ2lxbHZOeEd6c3dPUkxNTlZiNUFLeQ?oc=5) |
| The Guardian | One giant step: first known T rex footprints found in North Dakota | 2026-09-11 14:34 | [Source Link](https://news.google.com/rss/articles/CBMikwFBVV95cUxNb1NSZW5Va2YybUFhcnFEeWlvcjdoQ2NWcHR1cW8xekpnWDU5N1k3Sk9aMTNqbUR0NzZGMDduZ3VMZEJtVDNfRll2d08tcjFRM3Nqc1ppck5iRzI2OUJ3WGh3NDNGN2Z4NzdKbFlSTHdZTmxpcjVxdXFXUUp6LWY1R2cxRDZlRHZkd2hybkhxN2Z3X0U?oc=5) |

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*Canonical Source: https://www.newsylist.com/trend/2026-09-11/one-giant-step-first-known-t-rex-footprints-found-in-north-dakota*
*Synthesized by Newsylist Open Intelligence Engine under E-E-A-T journalistic standards.*