The 4,947-passenger, 1,253-crew Costa Diadema first set sail in 2014 as one of the largest ships in the Costa fleet. Foodies will love that in 2016, the ship became the first in the world to produce ...

Costa Cruises welcomed travel agents, partners and media onboard the Costa Diadema over the weekend for an event that marked ...

The Costa Diadema docked in Savona, Italy. Costa’s largest and newest ship has been sailing the Med since October. Photo Credit: Tom Stieghorst Costa Cruises hasn't gone too far out on a limb with its ...

ABOARD THE COSTA DIADEMA -- It's been a tough few years for Costa Cruises, the storied Italian line that has its roots in the 1800s. But three years after the Costa Concordia disaster marred its ...

South of Tampa Bay, in Florida, wedged between a quiet neighborhood and a mangrove forest, custom-designed aquariums are home to thousands of sea-urchin larvae that tumble and drift through the water.

ABOARD THE COSTA DIADEMA -- Is a Costa Cruises ship right for you? Judge for yourself with a scroll through our latest Cruise Ship Tour, in the carousel above, which offers a deck-by-deck look at the ...

The most modern and brightest of the Costa fleet, the Costa Diadema (Italian for "tiara"), includes exclusive innovations in the areas of food, entertainment and technology. The ship began sailing in ...

Italian style, epitomized. That is the Costa Diadema, the newest flagship of Costa Cruises that entered the fleet this past November and is currently navigating her first summer season in the ...

With spikes as long as knitting needles, long-spined sea urchins may look like underwater villains, but their appetite for algae makes them the unsung heroes of Caribbean reefs. Courtesy of the ...

Ecologically important Diadema africanum almost eliminated by unknown disease in Canary Islands A marine pandemic is bringing some species of sea urchin to the brink of extinction, and some ...