In Depth

Many believe the remnants of the Second World War Japanese wrecks of Truk Lagoon are the world's best wreck dives. Steve Jones tells us why.

The gruesome truth about one of the creepiest fish in the ocean. There is a good reason why we find remora revolting

High-energy scuba diving with the big stars of the oceans. Douglas Seifert on the excitement of the Eastern Tropical Pacific

A rundown of the nine known species of hammerhead sharks with photos and illustrations plus where to dive with them

Mark ‘Crowley’ Russell asks Marine Megafauna Foundation co-founder, Dr Simon Pierce, what we still need to find out about this elusive species

Big being beautiful is certainly the case with whale sharks. Here is why they grow to such a size and what benefits being the biggest provides

Alfred Minnaar interviews Shark Girl 'Pip' Madison Stewart about Project Hiu - a project to stop shark fishing in Indonesia

At The heart of the Coral Triangle author Alan Powderham talks about underwater photography and biodiversity conservation using a rebreather

Basking sharks are the second-largest species of shark, but unlike tabloid reports about 'monster fish', they're not terrifying at all.

Belize's barrier reef is the key part of world's second-largest coral structure. We report on the struggle to keep it flourishing

Lockdowns are slowly being lifted but the dive industry has been left reeling by the shutdown. How were dive centres…

Luminaries of the scuba diving world pay tribute to scuba diving pioneer and Walindi Diving Resort founder, Max Benjamin

False Bay in South Africa was one of the few places cage divers could reliably encounter great white sharks - but they're disappearing...

The mysteries of the ocean have created many tales of underwater myths and monsters, many of which are still believed...

The blue whale is a catalogue of superlatives – the largest animal in the ocean and the largest creature known to have ever lived on earth.

The inside story about The Cave - the first feature film about the rescue of the Thai schoolboy football club saved from a flooded cave

Douglas David Seifert experiences the phenomenal seasonal gathering of whale sharks around Isla Holbox in Mexico

The Maldives is a premier scuba diving destination, but can its reefs survive rampant development and climate change? Douglas Seifert reports