Space & Astronomy
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Tyrannosaurus Rex: New Study Reveals Full Size Achieved Around Age 40
Ground News
January 18, 2026•4 days ago
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A new study indicates Tyrannosaurus rex reached its full adult size much later than previously believed, around age 40. Researchers found the iconic dinosaur grew gradually and steadily. This discovery challenges earlier assumptions about its developmental timeline.
It is the most famous dinosaur thanks to cinema and television, but new things about Tyrannosaurus rex, better known as T-Rex, are still known. A group of researchers have discovered news about the development and maturity of this species, which populated the Earth almost 70 million years ago.The study, carried out by three American researchers, reveals that T-Rex did not reach its full adult size until around 40 years old, gradually and steadil…
15 hours ago·Madrid, Spain
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Tyrannosaurus rex took a long time to reach full maturity. It only reached its largest size at the age of 40. Much later in life than previously thought.
20 hours ago·Stockholm, Sweden
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A new analysis suggests that the dinosaur grew surprisingly slowly, which calls into question previous assumptions.
21 hours ago·Zürich, Switzerland
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At every step of a T. rex the ground trembled - at least when it was fully grown. Until then, however, it probably took a surprisingly long time. This, in turn, also had its advantages.
1 day ago
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At every step of a T. rex the ground trembled - at least when it was fully grown. Until then, however, it probably took a surprisingly long time. This, in turn, also had its advantages.
1 day ago
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