From the deep ocean floor to vast underground caverns beneath our feet, these places challenge our understanding of the world.

Six miles below the oceans wave where sunlight never reaches, life persists, sustaining itself off of chemicals seeping from the ocean floor.

Despite advancements in mapping technology, much of the ocean floor remains unexplored due to the limitations of radar in ...

If a modern American aircraft carrier traveled 30 knots per hour, it would take approximately 183 hours, or nearly eight days ...

The ocean covers more than 70 percent of the Earth's surface. Considering how vast it is, scientists know relatively little ...

A new exploration takes us from the Siberian wilderness to the heart of Africa, where we learn about the amazing depths and ...

Tiny ocean microbes called Prochlorococcus, once thought to be climate survivors, may struggle as seas warm. These cyanobacteria drive 5% of Earth’s photosynthesis and underpin much of the marine food ...

I think many of us have more than a passing interest in extremes and world records. The Guinness Book of Records, cofounded ...

Discover the animals with the most teeth, from a shocking mollusk to a monstrous deep-sea shark. Find out what creature has ...

For over seventy years, a mysterious gravitational depression beneath the Indian Ocean has baffled scientists. Known as the Indian Ocean Geoid Low (IOGL), it marks the deepest point in Earth’s gravity ...

Researchers have made a significant advancement in understanding Earth's inner core, revealing new insights that could ...