All news on the topic: OceanGate Expeditions

A grieving mother who lost both her husband and their teenage son in the tragic Titan submarine disaster has revealed that their remains were eventually returned to her as "slush" in tiny "shoeboxes."

Officials estimate the crew of five trapped inside could run out of oxygen by Thursday morning.

David Pogue also detailed some of the seven surfacing methods the craft is equipped with, including one that works even if passengers are unconscious.