Event Brief
Jan 20, 2026 at 7:06 AM ET
T. rex Took 40 Years to Reach Full Size, Study Finds
By The BriefBrief
New research shows T. rex grew to 8 tons over 40 years, not 30.
WHO: Researchers
WHAT: Study on T. rex growth rate
WHEN: Jan 20, 2026 at 6:00 AM ET
WHERE: Fossil sites
WHY: To understand the growth timeline of T. rex
How this brief is built: The BriefBrief correlates multiple sources into one evolving event brief, updated as new facts emerge.
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