Dozens of centuries-old stone grenades from Ming dynasty discovered at Great Wall of China | Live Science
14th-century shipboard cannon may be Europe’s oldest | Live Science
Wreck of 17th-century warship discovered in Sweden | Live Science
15th-century Baltic warship served as a ‘floating castle’ for an intrepid king | Live Science
$17 billion shipwreck near Colombia is remarkably preserved, new photos reveal | Live Science
Blasts from the past – how medieval gunpowder changed over 100 years | Chemistry World
Sunken 17th-Century ‘Pirate Ship’ Discovered, Alongside Gunpowder-Packed Grenades | Live Science
Secret Room in UK Mansion Tied to King James I Assassination Attempt | Live Science
16th-Century Shipwrecks Found Amid Rocket Debris Off Florida Coast | LiveScience
In Photos: Colonial-Age Shipwrecks Found Off Cape Canaveral Coast | LiveScience