Mansion near Naval Observatory privately sells for $23M, a top-3 all-time price
A D.C. mansion near the U.S. Naval Observatory has quietly sold off-market for $23 million, tying it for the ...
Timekeepers’ tale: How US Naval Observatory anchors modern precision from 1707 shipwreck lessons
In 1707, a catastrophic shipwreck occurred in the isles of Scilly, off the southwest coast of England. Between 1400 and 2,000 ...