It was a startling discovery. Glass sponge reefs were thought extinct 30 million years ago. How did they survive? And why in B.C.?

Dead zones are unwitting mass murderers. They suffocate sea life. And they're multiplying... rapidly. Can anyone stop them?

Bowie Seamount remains largely unexplored. Humans pushed to protect it – but what have they protected?

B.C. killer whales have a strange secret. Long ago, they split into separate groups. They ignore each other. Why? This, one of B.C.'s great mysteries.

Seven sneakered human feet washed up on or near B.C. beaches. It's the marine mystery everyone is talking about. Can science solve it? Can you?

The Red Devils are migrating into B.C. waters. It's strange territory for them. Why did they come?

"The Graveyard of the Pacific" makes a seafarer shiver. So many ships lost; so many skeletons in the sand. Why is this one stretch of B.C. so deadly?