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

> **Open Intelligence Dossier** · First detected: 2026-09-11 15:07 UTC · Category: Science

## Executive Summary
5 news sources are covering this Science story right now — PULSE is tracking how fast it spreads.

## Intelligence Brief
"One giant step: first known T rex footprints found in North Dakota" is generating significant coverage in the Science category, with 5 articles from 5 distinct sources tracked by PULSE so far.


Outlets currently covering the story include IFLScience, Space Daily, Newser and KCCI. PULSE measures a story's velocity from how quickly new articles appear and how many independent newsrooms join the coverage.


This brief was generated by PULSE's extractive engine from coverage metadata only. The latest headlines from every source are listed below; the velocity chart shows how the story is developing in real time.

## Multi-Source Evidence Table
| Source Outlet | Headline | 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 | [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 — the predator was strolling at 3.5 to 4.5 mph,  | [Source Link](https://news.google.com/rss/articles/CBMixAJBVV95cUxOOEhIUFFtemk0Sm5MbzFqeWs1SHdxNF9YQjFpUk02QnpVSzVFTTkxc3lSTUNyUWFsd2xGZ1lsSmVZeEc3OWNGY3BPSGgybjBfaUZHYl9pb2VUanE4ei1ZTHhzUkRlUWx0b1lmRFhqNnZCcGEyTWN0ZlV6TTh0Sm5aeGZnaG1abW1WajdHRHdvZUM1d2lKYnRhT3FSRHZLTHdzbHA0U0ZCNEpEakZlM0EwRHZXUWx4RV9taDBXRjh0RzBPamZSWU1Jc1J6d1BfR19hNXJhc190RUNVVWNONEJxejVSTDlFVDBNMFl1MGJVU3FFSW8zeEw3cFNEMjB1dXdtVVBMd1JWSDRPNVpVWjRnaDhLb1Y5VUFTZWNNZzJuZlA3dUVLdTl6T1VNa3ROdWo5bDFUbFZXOUhkUGVoanpIWk1zeUg?oc=5) |
| Newser | T. Rex Footprints Are a Discovery | [Source Link](https://news.google.com/rss/articles/CBMifkFVX3lxTE9vWlk0MExrWHlxNUY4c1RBTTNLeWdtbkVDQ0NnV3JQRHluT2dZam9JcGt3djRNTnUwOHliSkVIT2FqVjRaNGdzdEZVVEo0RktmSjlESHl0aF9fWWZZdW5IXy1BRE9LdjJBODJ6SC11MG4tLTlOanZpYTl0UjdOdw?oc=5) |
| KCCI | First-ever adult Tyrannosaurus rex trackway discovered in North Dakota badlands | [Source Link](https://news.google.com/rss/articles/CBMiogFBVV95cUxPTnN3VTRkWmlOOTMyWFFVdmJKVDFjc3dFU0NMajNERzU1VmtTRkJrWjljXzFfdzg0bUhUSU1UTl80WFVvRnMtZU5CTmIxTFU3eWJYYnN3bFBvbG1HTG5UcEN6dEhPb01BUWFiaU44eTluUXZVa1VJc0hRc28wUTFqYmE3S3V1Ry1zT05yblp3Uy0xZkI0c2o0NU90WGVXWGJLMGc?oc=5) |
| The Guardian | One giant step: first known T rex footprints found in North Dakota | [Source Link](https://news.google.com/rss/articles/CBMikwFBVV95cUxNb1NSZW5Va2YybUFhcnFEeWlvcjdoQ2NWcHR1cW8xekpnWDU5N1k3Sk9aMTNqbUR0NzZGMDduZ3VMZEJtVDNfRll2d08tcjFRM3Nqc1ppck5iRzI2OUJ3WGh3NDNGN2Z4NzdKbFlSTHdZTmxpcjVxdXFXUUp6LWY1R2cxRDZlRHZkd2hybkhxN2Z3X0U?oc=5) |

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*Canonical Source: https://pulse.byoviral.com/trend/2026-09-11/one-giant-step-first-known-t-rex-footprints-found-in-north-dakota*