Jillian Mercer, a Dartmouth native and a nurse at Boston Children's Hospital, is trying to dive in water every day for 1,000 ...

The winners of the 2025 Ocean Photographer of the Year competition captured the ocean and its wildlife like you’ve never seen before. Reading time 5 minutes While floating in the crystal-clear waters ...

(CNN) — 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.

Around a month after Shubhanshu Shukla became the first Indian to reach the International Space Station, India sent an aquanaut 5,000 metres deep into the ocean in a first-of-its-kind expedition ...