Add Yahoo as a preferred source to see more of our stories on Google. Sea creatures have adapted to help them thrive in extreme environments. Unusual features allow them to live thousands of feet ...

Beneath the ocean's surface lies a world of perpetual darkness, home to some of Earth's most bizarre and fascinating creatures. These deep-sea inhabitants have evolved extraordinary adaptations to ...

Deep beneath the surface of the ocean lies an extreme marine ecosystem home to submarine volcanoes, an opening in the seafloor erupting with magma to form new crust. Void of light with an immense ...

Though it may not seem like it, the ocean is a much more terrifying place than the cosmos. From hideous, alien-like creatures to the mysteries that lie below the sea, these are just some of the ...

GUAM — Only a scattering of light penetrates the deep water, more than 300 feet beneath the ocean surface off the coast of Guam. It's like twilight to the human eye, even in the middle of the day.

Thousands of meters below the ocean's surface lurk some gigantic creatures, much larger than their shallow-water brethren. Scientists have a few hunches for why this happens, but the debate continues.

Only a scattering of light penetrates the deep water, more than 300 feet beneath the ocean surface off the coast of Guam. It’s like twilight to the human eye, even in the middle of the day. This part ...

Holly has a degree in Medical Biochemistry from the University of Leicester. Her scientific interests include genomics, personalized medicine, and bioethics.View full profile Holly has a degree in ...

For deep reef divers, descending into the ocean’s mesophotic layer can feel like exploring the moon. Discovering never-before-seen marine species is part of the mission. The deep diving team heads ...

Sea creatures have adapted to help them thrive in extreme environments. Unusual features allow them to live thousands of feet below the surface. Underwater robots give researchers a glimpse at some of ...