A private equity investor from Dallas, Texas and his team of explorers have completed a series of record-breaking dives to Challenger Deep in the Marianas Trench, commonly known as the deepest place...

In March 2012, film director James Cameron became the first person in history to solo dive the Challenger Deep, the deepest point of the Marianas Trench and the world, a staggering 6.8 miles (35,756 feet) below the surface of the Pacific Ocean.

RIO DE JANEIRO -(Dow Jones)- Brazilian oil startup HRT Participacoes em Petroleo SA (HRTP3.BR) said Wednesday that it had hired a semisubmersible drill rig from Transocean Ltd. (RIG, RIGN.VX) to drill prospects off...

After seven years of preparation James Cameron has become the first person in history to solo dive the Challenger Deep, the deepest point of the Marianas Trench, and earth for...

“Twelve men have walked on the surface of the moon and maybe 500 have traveled to space, but only [two] have visited the very deepest point of the ocean, which...

HOUSTON (Dow Jones)–Transocean Ltd. (RIG) said Thursday that the deep-water drilling rig off Ghana that was evacuated Wednesday after it took on water remains stable. The company is working on...

  The world’s most storied deepwater oil rig, the Transocean Marianas, has developed a critical list after an anchor punctured her poontoon and is in risk of sinking on location (UPDATE:...