The Trusdales were passengers on the Viking Polaris cruise ship sailing toward Ushuaia, Argentina, last week.

An investigation is underway into how an American passenger was killed when a so-called “rogue wave” hit the Viking Polaris cruise ship.

The Viking Polaris ship was sailing toward Ushuaia, Argentina, at the time.

Authorities say a U.S. woman was killed and four other passengers injured when a massive wave struck the Viking Polaris cruise ship while it was sailing toward the port of Ushuaia in southern Argentina on an Antarctic cruise

The 28-year-old was rescued from the Gulf of Mexico after treading water for almost 24 hours after he was last seen in a bar aboard the Carnival Valor.

High speed internet is coming to the high seas, as Royal Caribbean announces it will implement Elon Musk’s Starlink internet on all its ships.

The cruise line canceled at least 11 voyages on the Diamond Princess from Sept. 1 through mid-November as it tries to “overcome our labor shortages.”

A major cruise line is being forced to cancel trips due to staffing shortages. ABC News’ Mona Kosar Abdi has more.

The ship will return to Seattle on Thursday.

The Crystal Symphony, a luxury cruise ship, was scheduled to return to Florida on Saturday, but was diverted to the Bahamas after a judge granted an order to seize the vessel as part of a lawsuit.

There are guidelines passengers booking on major cruise lines must follow even before they're allowed to board a ship.

Cruise lines race to vaccinate thousands of crew for mid-July restart

The cruise lines are trying to make a comeback a year after being forced to dock their ships because of the pandemic.

Ships that carry more than 250 people are still banned from U.S. waters. Both cruise lines said adult passengers and crew members will need proof of the COVID-19 vaccine and kids must test negative.

The Indiana man who pleaded guilty to negligent homicide of his granddaughter during a cruise ship was served with probation.

The $2 trillion stimulus package was passed by lawmakers Friday.

The "Carnival Glory" is back at sea after being damaged while trying to dock on the island of Cozumel.

Two Carnival cruise ships collided on Friday.

Carnival Cruise Line is evaluating the damage to two of its ships after a collision on Friday, officials said.

The family's lawyer says the grandfather, who is charged with negligent homicide, maintains he is innocent.

Coast Guard officials said that a 26-year-old man was reported overboard from the Carnival Dream, 47 miles southeast of Galveston, Texas, Thursday evening.

The U.S. Coast Guard is searching the waters off Galveston, Texas, for a passenger who went overboard from a Carnival cruise ship.

The family of 18-month-old Chloe Weigand is fighting back against early reports she slipped from her grandfather's arms aboard a Royal Caribbean cruise ship.

An Indiana toddler had a fatal fall from a Royal Caribbean cruise ship after her grandfather put her up on a railing, thinking the glass window was closed.

The girl was traveling with her grandparents and parents from Indiana.

An out-of-control cruise ship in Italy crashed into a dock and tourist on a busy Venice canal Sunday, injuring multiple people.

Viking Cruises is facing a class-action lawsuit from passengers over a harrowing evacuation in March.

Hundreds of passengers aboard the ship had to be airlifted one at a time after the ship left Norway for a 12-day Northern Lights cruise and encountered dangerous weather.

Emergency helicopters and boats battled high winds and waves as they airlifted more than 450 people to dry land.

After an engine failure and major evacuation efforts, the Viking Sky cruise ship safely docked in the port of Molde, Norway, on Sunday.

Hundreds of passengers were evacuated by helicopter on Saturday.

Passengers shot video of the mayhem on board as engine failure combined with wild weather created a dangerous situation.

Rescue helicopters had to airlift more than 1,300 people from the distressed ship.

Dozens of people were evacuated as rescue teams flew helicopters over the ship.

Rescue helicopters were battling severe winds on Saturday to airlift more than 1,300 people off a Viking Cruises' ship that issued a distressed call after an engine failure off the coast of Norway.

Saving money while living it up on the high seas.

Royal Caribbean confirmed the "tragic" death of one of its passengers Tuesday.