Only about 20% of the ocean’s depths has been mapped by humans. Here’s what we do — and don’t — know about the deep seas and why studying them is so risky.

There is, however, currently an effort underway to create a definitive map of the ocean floor, called Seabed 2030. Still, there are huge gaps in what’s known of the deep sea.

The submersible vehicle currently lost at sea is part of a relatively new effort enabling tourists and other paying customers to explore the depths of the ocean, the vast majority of which has ...

Take a deep dive into the ocean’s secrets. ExtremeTech reveals its hidden layers and life forms. Discover the depths of our planet today.

It would take nearly 300 years — in the aftermath of the Titanic disaster — before sonar technology began to offer scientists a clearer picture of what lies in the ocean’s depths.

Though people have been exploring the ocean’s surface for tens of thousands of years, only about 20% of the seafloor has been mapped, according to 2022 figures from the National Oceanic and ...

"We have better maps of the moon's surface than of the seafloor because seawater is opaque to radar and other methods we use to map land," said marine ecologist Alex Rogers, a professor of ...

What we know about the ocean’s depths — and why it’s so risky to explore it ...

What we know about the ocean’s depths — and why it’s so risky to explore it Updated: 12:41 PM EDT Jun 21, 2023 Infinite Scroll Enabled Jackie Wattles, Ashley Strickland and Katie Hunt, CNN ...

Researchers say the ocean and the life it contains could provide answers to some of medicine's biggest challenges, such as antibiotic drug resistance.