Conservationists say retrieving mineral-rich rocks will destroy sea life. Environmental studies show conflicting results.

When HMS Challenger set sail in 1872 ... This reinforced the view that the deep sea was inimical to significant bacterial life. The Alvin’s most famous dive, however, was its 1986 exploration ...

A trip to the Challenger Deep can put a vessel under ... Objects of interest include the submerged ecosystem and its life-forms, such as deep-sea shrimp and crabs, and — higher up in the water ...

Under these extreme conditions, life does exist, represented by deep-sea organisms specialized to these extremes. The Challenger Deep and the Mariana Trench provide scientists with a special ...

Like most deep-sea biologists, I have a large collection of decorated ... coincides with the maximum known depth at the southern end of the Mariana Trench, the Challenger Deep. The actual maximum ...

Yet, vibrant forms of life still survive in the depths ... narrow valley known as the Challenger Deep. It is named for the 1951 expedition that first recorded its depth—an astounding 36,201 ...

In 1843, Scottish naturalist Edward Forbes stated that life was not viable below ... In the 1870s, the British ship HMS Challenger found deep-sea organisms while dredging and trawling.

President Donald Trump signed an executive order Thursday to promote mining of the deep-sea floor ... of the very few people to have visited the Challenger Deep, the deepest spot on Earth.

Picture an ocean world so deep and dark it feels like another planet—where creatures glow and life survives under crushing ... their attention to the deep sea, where precious metals such as ...

As the International Seabed Authority considers the future of deep-sea mining for battery metals ... remote ecosystem with one of life’s most important elements. Unprecedented numbers of ...

Explorers have dreamed of harvesting deep-sea metals since the 1870s, when the British scientific ship HMS Challenger pulled up mineral-laden rocks on its round-the-world voyage. The first ...