Discovered more than six decades ago, the Tully Monster remains one of the most puzzling fossils ever studied. Despite ...

First discovered in the Mazon Creek fossil beds of Illinois in 1955, the Tully monster (or Tullimonstrum gregarium) has long challenged biologists and paleontologists alike. It lived about 300 million ...

One small event made Francis Tully’s life extraordinary. Almost 70 years ago, the Texaco pipe fitter and amateur explorer found something inside a rock previously unseen by humans. The rust-colored ...

Every now and again, scientists discover fossils that are so bizarre they defy classification, their body plans unlike any other living animals or plants. Tullimonstrum (also known as the Tully ...

HOMER GLEN, Ill. (AP) -- Dan Tully directs visitors to his Homer Glen home with some simple instructions: it's the one with three tractors on the front lawn. The retired Lockport cop collects ...

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