Marine

Aquatic hypoxia can be a serious problem, producing oxygen-depleted "dead zones" in lakes or seas. New research suggests that a process known as downwelling may help keep those zones from forming – although it wouldn't be a cheap solution.

A year ago, Wally previewed the sleek 48 Wallytender, a stylish yacht tender with expandable deck. Now Wally gives the 48 a little extra juice, swapping the twin-Volvo drive for a quartet of Mercury outboard engines to create the 48 Wallytender X.

The DutchCraft DC25 yacht tender is designed to do a bit of everything the modern day captain and sportsman might need. Deck-mounted rails transform the electric boat from a pleasure craft, to a superyacht tender, to a toy carrier and more.

In the exaggerated world of superyachts, it can be difficult to make a statement. So instead of penning a yacht to be lost early in a sea of 2020 launches, shipyard Codecasa smashes together the nautical and the aeronautical to create the Jet 2020.

The annual Ocean Art Underwater Photo competition, now in its eighth year, is a chance to get up close and personal with our marine cousins so many times removed. Here are all this year's winners and runners up in a spectacular photo gallery.

Surface-supplied diving systems find balance between snorkelling and scuba by strapping you to an air supply floating atop the water. Typically these systems rely on compressed air, but the ExoLung uses a more sustainable air supply: you.

Slovenia’s Greenline Yachts has made another addition to its family of hybrid vessels, announcing a new 45-footer (13.5-m) topped by solar panels.

Frauscher was one of the first upmarket boat builders to offer a performance electric cruiser in 2015 when it released the 740 Mirage Air.​ It is now showing a revision of the Mirage Air with 67 percent more power and 113 percent more power storage, completely transforming the $240,000 day boat.

The first explorer yacht from Dynamiq, the Global 330 takes on long-distance travel with 2,400 hp of engine might, a suite of exploration gear and an interior designed with help from the expert craftsmen at Bentley.

​It was just last year that we heard about the Marine Skin patch, a flexible data-tracking device that can be temporarily adhered to marine creatures. Well, its designers have now come out with a version that's smaller, more sensitive, and capable of going much deeper.

To many of us, the great white shark is a mysterious and scary creature from the deep – but now it’s a little less mysterious. Scientists have sequenced the entire genome of the great white shark, revealing a few clues as to how these animals are so good at healing wounds and resisting cancer.

The Nevada desert is not the place you'd expect to find the world's most intelligent yacht, but that's exactly where she's docked right now. The first ever yacht to appear at CES, the US$5 million Furrion Adonis provides luxury and convenience above and beyond other yachts.