Marine biologists finally track down the elusive demon catshark after 40 years
From the On the ground with Ukraine’s drone pilots, and more of today's top videos series
The ocean is no doubt our planet’s last great frontier, with deep sea flora and fauna still very much a mystery to humanity. But now researchers say that after 40 years of scouring the planet’s blue waters they’ve finally found a mysterious shark species they knew existed, but could never find proof of.
In this Series
As featured on
Drones continue to play a key role in Ukraine's counteroffensive against Russia, marine biol…
A pod of killer whales attacked a boat that was sailing off the coast of Morocco, body cam f…
