It's been nearly a week since a pilot whose plane crashed into the sea went missing, and now advanced ocean mapping ...

La Niña and El Niño events are the most well-known type of ocean variability to affect Australia. During a La Niña, the west ...

The firm Ocean Infinity has launched a new search for missing Malaysia Airlines flight MH370 in what it says is a "more credible" patch of the Indian Ocean.

Experts said they were “blind” to the Indian Ocean tsunami in 2004. Twenty years later, working toward a world without tsunami deaths is a challenge.

“The Indian Ocean tsunami 20 years ago has reshaped the way the humanitarian community addresses emergencies today, highlighting the importance of disaster preparedness,” a European Union ...

China in the past has denied that its research ships were spying in the Indian Ocean.

The Boeing 777 plane vanished from radar shortly after taking off on March 8, 2014, carrying 239 people. The plane headed south to the far-southern Indian Ocean, where it is believed to have crashed.

The Indian Ocean "gravity hole" is a region where Earth's mass is reduced, leading to weak gravitational pull, lower-than-average sea levels and a puzzle scientists have only just begun to solve.