In 1963 the United States sent its first nuclear submarine, the USS Thresher, to sea with 129 people on board. The same day it left port, the vessel imploded.
On March 15, 44 B.C., a group of Roman senators conspired to assassinate Julius Caesar, altering the course of history. Here's what that morning was like.
Adolf Hitler met with with many world leaders during World War II in efforts to make alliances. Here's what he really thought of the other Axis power leaders.
World War II was largely fought by men, but women were also involved in clandestine efforts to fight Nazi rule. These were the deadliest female assassins.
Humanity's worst conflict, World War II, has been documented and continuously examined for decades. And yet, there are some facts that still don't make sense.
Two powerful entities are at odds as Vladimir Putin seized millions of dollars from Google. Here's what we know about the ongoing international dispute.
John F. Kennedy was assassinated at 46 years old, but by then he'd already had several brushes with death. Here's the chilling truth about JFK's last rites.
What we know about Jesus Christ's childhood comes from various debated accounts across many pieces of religious scripture. Here's what it might have been like.
In the mid-19th century, the Oregon Trail was a well-traveled path to the Western U.S. and was full of hardship. Death was common and sometimes brutal.
There's still a lot of mystery surrounding Donald Trump's would-be assassin, Thomas Matthew Crooks. Here are things that still don't make sense about him.
The superyacht Bayesian sank in a freak weather incident off the coast of Sicily in August 2024. One survivor sent a grim text to her father after the accident.
The Democratic National Convention has been running for almost 200 years - the first was in 1832 - and there have been plenty of controversial moments.
Imagine being on the crew that followed orders to commit mass murder by dropping atomic bombs on Hiroshima and Nagasaki. Here's how the plane crew reacted.