Jamie Frederick

A French research ship equipped with an unmanned robot able to search deep under water arrived near the wreck of the Titanic on Thursday to join a massive search and rescue operation for a missing submersible.

Titanic submarine Live Update: All five people aboard a submersible missing near the wreck of the Titanic died -- likely in an instant -- after their vessel suffered what the US Coast Guard said Thursday.

A massive search and rescue effort for a missing submersible near the wreck of the Titanic was at a critical stage late Wednesday, with just hours left before the oxygen supply for the five people on board runs out.

A French research ship equipped with an unmanned robot able to search deep under water arrived near the wreck of the Titanic on Thursday to join a massive search and rescue operation for a missing submersible.

Titanic submarine Live Update: All five people aboard a submersible missing near the wreck of the Titanic died -- likely in an instant -- after their vessel suffered what the US Coast Guard said Thursday.

A massive search and rescue effort for a missing submersible near the wreck of the Titanic was at a critical stage late Wednesday, with just hours left before the oxygen supply for the five people on board runs out.