The Titan, a minivan-size submersible, was carrying five people to the Titanic's watery grave when it lost contact. The vessel has enough oxygen to keep its passengers alive for about 40 more hours.

The president's son agreed to plead guilty to two misdemeanor tax offenses. He's also charged with a felony firearm offense, for which he agreed to enter a pretrial diversion agreement.

Retired U.S. Navy submarine Capt. David Marquet says crews would need to locate the vessel then bring it to the surface to unlatch it. He puts the odds of passengers' survival at "about 1%."

America's top diplomat heads from China to the U.K. where Ukraine's post-war recovery tops the agenda