In the mid-20th century, when people looked at a map of the world, they saw the familiar continents surrounded by vast, featureless oceans. Beneath the waves, the ocean floor was largely unknown — an ...

Despite all the deep-sea expeditions and samples taken from the seabed over the past 100 years, humans still know very little ...

Imagine, for a moment, what it would mean for this economy if we didn’t have maps: Transportation, trade, resource extraction, disaster mitigation — so much of what we do would be made more ...

Relief shown by shading and spot heights. Depths shown by land form drawings, shading, and soundings.

You can listen to our podcast on Apple Podcasts and Spotify each week. Follow this link if you're listening on Apple News. This week, we chat with journalist Laura Trethewey, author of The Deepest Map ...

In the early 1950s, Marie Tharp began connecting dots to map the ocean floor, using sonar technology. Sonar detects underwater objects by timing the echo of a soundwave and was originally developed to ...

Around much of the planet, an aquatic mystery leaves scientists in the dark. “For most of the ocean, we don’t know what the bottom looks like,” said Nathan Angelakis, a doctoral student at the South ...

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