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Inner Space

Illustration of colossal squid (Credit: Emannuel Lafont/ BBC)
Inner Space

Colossal squid: An eerie ambassador from the abyss

By Stephen Dowling

The megamouth shark, one of the biggest species alive today, was not discovered until 1976 (Credit: Getty Images)
Inner Space

The sharks emerging from the deep

By Stephen Dowling
The bow of the Titanic wreck covered in rusticles (Credit: Walt Disney Pictures)
Inner Space

A rusty smudge: The Titanic's final fate

By Richard Gray
A family of sperm whales (Credit: Amanda Cotton/Project Ceti)
Inner Space

The human-like 'alphabet' of whales

By Katherine Latham and Anna Bressanin
OceanGate Titan submersible beneath ocean surface (Credit: Getty Images)
Inner Space

The lessons learned from a deep-sea disaster

By Victor Vescovo
A humpback whale and her calf (Credit: Jodi Frediani)
Inner Space

How to speak 'whale'

By Katherine Latham
A computer generated visualisation of the Deep's subsea habitat (Credit: Deep)
Inner Space

Could humans become aquatic?

By Katherine Latham
Great hammerhead shark (Credit: Getty Images)
Inner Space

The secret nursery of hammerhead sharks

By Stephen Dowling
Sea chart off coast near Auckland, New Zealand (Credit: Getty Images)
Inner Space

A map of the ocean may be in reach

By Laura Trethewey
There's a pod of pygmy blue whales in the Indian ocean that we've never identified by eye - but can hear (Credit: Getty Images)
Inner Space

How bomb detectors decoded a whale song

By Richard Fisher
Satellite image of coral bleaching at Islamorada, Florida (Credit: European Union/Copernicus Sentinel-2)
Inner Space

It's so hot, heatwaves are underwater

By Isabella Kaminski
Large megalodon eating smaller shark (Credit: Getty Images)
Inner Space

The monster shark of prehistoric Earth

By Michael Marshall
Great whites have eyes with more cone cells in their eyes than many shark species, which lets them discern colour better (Credit: Getty Images)
Inner Space

Could your swimwear attract sharks?

By Stephen Dowling
Shipping containers often get lost at sea, emptying their contents (Credit: Getty Images)
Inner Space

The mystery items appearing on beaches

By Richard Fisher
Sargassum piles up on a beach in Cancun, Mexico (Credit: Getty Images)
Inner Space

Why you should avoid washed up seaweed

By Sarah Griffiths
Orcas are known to be playful (Credit: Getty Images)
Inner Space

Orcas have a dangerous new hobby

By Sophie Hardach