(CNN) — Just as Earth’s land surface has enormous peaks and valleys, the oceanic world has similarly varied topography. Perhaps the most intriguing of these features is the Mariana Trench — a chasm in ...

In the waters of the Western Pacific, a sea of blue surrounded oceanographer Dawn Wright, who was a little blue herself. Her mother died last December and would not be there to watch Wright take on ...

In the summer of 2022, renowned oceanographer Dr. Dawn Wright embarked on a historic journey into Challenger Deep, the ...

This astronaut just successfully reached the lowest point on Earth. Kathy Sullivan soared to new heights when she became the first American woman to walk in space in 1984. On Monday, she broke a new ...

Life at the bottom of the ocean is extreme. It's pitch black, the temperature hovers right above freezing and the pressure is immense. Although many species have evolved to survive and thrive at these ...