The rare 14th-century portolan chart is worth $7.5 million. Robert Gauthier / Los Angeles Times / Getty Images Last fall, Christie’s auctioned off a “highly unusual” nautical map as part of an estate ...

As estate sales of the über-wealthy go, the Ann and Gordon Getty Collection sell-off at Christie’s last year was a major success. Across 2,300 sold lots, it netted $200 million for charity, set a ...

WASHINGTON — John Hessler, mathematical wizard and the senior cartographic librarian at the Library of Congress, slipped into the locked underground vaults of the library one morning last week.

In this context, Manuel Morato, researcher from the Higher Technical School of Engineering (ETSI) of the University of Seville, has published a scientific article on the map of Tlacotalpa, one of the ...

The new nautical chart 11525 extends eastward, to cover an additional pilot boarding area for vessels headed to the Charleston Harbor. Ships entering the Port of Charleston will have a new and ...