Scientists have confirmed that Nanotyrannus was a mature species, not a young T. rex. A microscopic look at its hyoid bone ...

New research has overturned decades of uncertainty by showing that Nanotyrannus was a fully grown predator, not a juvenile T. rex. For many years, paleontologists have debated whether the single skull ...

For decades, paleontologists argued over the lone skull used to establish the distinct species Nanotyrannus. Was it truly a ...

Was Nanotyrannus a bona fide species or just a teenage Tyrannosaurus rex with a lot more growing to do? Scientists have settled that debate.

For decades, paleontologists argued over the lone skull used to establish the distinct species Nanotyrannus. Was it truly a ...

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But the best trade-in of all was a thank you note written on a Kirby Post-It. “To the dudes @ GameStop, I hope your day has been well,” it read. “I’m sorry that they are trying to trade in garbage.

For decades, paleontologists argued over the lone skull used to establish the distinct species Nanotyrannus. Was it ...

Following his arrest, Mangione was kept under "constant watch," according to Rivers, who noted the facility rarely, if ever, ...

MS. COOPER: Good morning, and welcome to The Washington Post. I’m Gina Cooper, managing director of Washington Post Live. Thank you so much to everyone who’s here in the room joining us this morning ...

Scans reveal unique spiral optic nerves in chameleons, solving a 2,000-year-old mystery about how they move their eyes.