# A Greenland shark studied in 2016 was estimated to be nearly 400 years old, meaning it may have been born around the time Shakespeare’s era was ending — and, astonishingly, would not have reached sexual maturity for more than another century.

> **Open Intelligence Dossier** · First detected: 2026-06-21 09:07 UTC · Category: Science

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

## Intelligence Brief
"A Greenland shark studied in 2016 was estimated to be nearly 400 years old, meaning it may have been born around the time Shakespeare’s era was ending — and, astonishingly, would not have reached sexual maturity for more than another century." 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 BBC Wildlife Magazine, The Times of India, Living on Earth and IFLScience. 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 |
|---|---|---|
| BBC Wildlife Magazine | "It doesn't reach sexual maturity until 150 years old and can be pregnant for a humongous 18 years." Meet the 10 longest living animals on the planet | [Source Link](https://news.google.com/rss/articles/CBMid0FVX3lxTE5PLWxTNFV0M0J2NEpaN3oxTmxNQUFJRmwwYnRRS2UzRmwyMzBKRkgtS1FiQy1tWGpXa3JZU0lKa1RwT0dFSWFhaFpOZ2o5VFZHbTBNQlY5cjM1U0F5SU5SR2ZPelRzR2VnaGNXUmNnWkZlckZpeGpV?oc=5) |
| The Times of India | The longest-living animals on Earth: These remarkable creatures can survive for 200 years and some even longer | [Source Link](https://news.google.com/rss/articles/CBMikwJBVV95cUxOV1RGMEpONGRFdWtXb2tjVXhQR0hXSDdqeUxncGNXcDRCNWExdnlQVEdQNVJMRmRTVXlaN3pLa2FTVHVrbXNIWkJqc2VRN08tUV9zVTZXZzNLQzBKS01WYmYxNjNyd1o2MFZCRGhaYVF2bGhuM3h6UHgtNU9MVkZlX09lWU5uYlVZOGU3azdOSmtkSHowVmRCMFQ4NW4zVDdrdHJEZEFzNUFPSnpicVlqQTJlNVFzTnpoUy1UNjE2TllZVXI1QWJWaTNQbDlNbkE1NVNLSG1TUTJlSGRWYk9EaTVRV2VGNEcwY1F1a1AxcFZ2YTJHbTlzbVcyYkQ4MjEyYXo1eGQyTjRjbW9CU0x3N1E4cw?oc=5) |
| Living on Earth | Note on Emerging Science: Long-Lived Greenland Sharks | [Source Link](https://news.google.com/rss/articles/CBMif0FVX3lxTFA2VmtOYXh1dmJBUTB6cl9JRENCNFZxOTgySzhtZ0hHMmhUcW8wdHNicEcxdTZJRC1VT0g4UWxEM3g2TjlKY1pnbE4waDB5N2tGelhCVi1wUmtrbFJwTVFhRUtRaG50QzhGRVVSakRXRnVyM19pNlFHRTF5aG5CNEE?oc=5) |
| IFLScience | How Nuclear Weapons Helped Reveal That The Longest-living Vertebrate On Earth Can Reach A Whopping 400 Years | [Source Link](https://news.google.com/rss/articles/CBMi4AFBVV95cUxQQzZ4RTJKamFVNUNCcnNOQWJaemNOLV90RS0zZzlSNzJiTXdZUG92amFRbG5qUlEycDFaemQ1RzVDVnRQbVZMcnl6NExxUnd1bmhOSDZwclczMFhaTHNXV29MVG9PdXdHNFJWc3laMEQ4bGJpemdMY2NvdHFPUF9DTjN1dTIzMndLMW1qYmxDN1l3VkJ4Z2FudlJ4ZHR1R1NVemJsZU5DcFZxRVRRbUVyNFR6RUszbVQzelFtN3JTeFFzZXRsRERnbDFod0VQckVuOUpBd2ZqZ1c3YzQwa0FUQg?oc=5) |
| Space Daily | A Greenland shark studied in 2016 was estimated to be nearly 400 years old, meaning it may have been born around the time Shakespeare’s era was ending — and, astonishingly, would not have reached sexual maturity for more than another century. | [Source Link](https://news.google.com/rss/articles/CBMirAJBVV95cUxQWXZwMVdZaHpnOWJtX0x4dXpiX0NxZ2N0RnFBbmpUaEtRN1F5eGMyUHBvaUVCSjI0bWlLaEVYUU4xYlBSZGdLNi1VSlJTcHk2anoxVEFhWUVza0dHM2hnZV9tM21TbWl3M1FibDNOMXo0RmE2bTRtYjUwLVRELV9LSlFuVGEtM3RfTE9QUXV3NkJxVzByZWRZQ3oxT2V2Rm92bV9oOC1Pdlpta1VGT29hYmxsUnV1VTZtWDdJdk5FSUdOOVF2R2RCc29YLXFXZ1djaDRiU1FITlUxZ2c2dC02ajlRWHVzeFppTlFGcDFIVHB2a2xQOFp3c1ZDdi0taGVROUNQb1ZMbWw1d0xVQzAzYmxYQWR2NEl0Q1ZmWHBPNmVpM3diZ2R6Vm1YUTY?oc=5) |

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*Canonical Source: https://pulse.byoviral.com/trend/2026-06-21/a-greenland-shark-studied-in-2016-was-estimated-to-be-nearly-400-years-old*