A homeowner discovered a mysterious hole on their property - and it turned out to be a deep, unexplored cave. Naturally, we grabbed our gear and went in. What we found inside was way bigger (and ...

Learn how researchers used morphology and genetic analysis to reveal the identity of a mysterious golden orb found during a ...

A fossilized megalodon tooth has been recovered more than 10,000 feet below the surface of the central Pacific Ocean, marking the first time such a specimen has been found in place at this depth.

Marine researchers exploring extreme depths say they have discovered an astonishing deep-sea ecosystem of chemosynthetic life that’s fueled by gases escaping from fractures in the ocean bed. The ...

A rare giant phantom jellyfish spotted off Argentina’s coast has become one of the most striking discoveries from a new deep‑sea expedition. The sighting occurred during an Argentinian‑led mission ...

Bizarre creatures like vampire squid and blobfish make their home in the dark, cold, depths of the deep sea, but most of this watery realm remains a complete mystery. That's because humans have seen ...

We know next to nothing about 99.999 percent of the seafloor. How one researcher plans to democratize deep-sea exploration. Katy Croff Bell, who has been an ocean researcher for 25 years, is working ...

The left panel shows the solar system and Earth. The upper right panel presents the layered structure of the Earth, with arrows showing the coupling between mantle convection and tectonic plate motion ...