The specimen is especially big and superlatively complete, and could clue researchers into the ancient beast's growth rate ...

Apex' was acquired in an auction by billionaire hedge fund manager Ken Griffin, setting a new record as the most expensive ...

The largest and most complete Stegosaurus specimen sold for a record-setting price in July, and it is currently on loan to ...

The billionaire Kenneth C. Griffin, who bought the stegosaurus fossil for $44.6 million, is lending it to the American Museum ...

The 150-million-year-old fossil known as "Apex" will be displayed at the American Museum of Natural History starting December ...

It’s a project spanning many years to expand the museum’s building to more than 375,000 square feet and its outdoor areas to more than two acres.

Everything from small and quirky, to elegant gems housed in historic mansions, to preserved Lower East Side tenement ...

A Stegosaurus fossil named Apex is on display at the American Museum of Natural History in New York City during a press ...

The fossil is thought to be one of the largest and most complete specimens ever uncovered for the stegosaurus.

The 150-million-year-old fossil remains of a Stegosaurus dinosaur named "Apex" will be displayed at the American Museum of ...

Scarlett Johansson and her husband, Colin Jost, stepped out at the American Museum of Natural History’s annual gala on ...

The Cleveland Museum of Natural History, in partnership with DLR Group, has achieved the highest honor in sustainable ...