Moon is slowly moving away from Earth at a rate of 3.8 centimetres per year. This gradual drift affects Earth’s rotation and ...

Earth's oceans could one day turn purple. Nearly three fourths of Earth is covered by oceans, making the planet look like a ...

For over 400 years, sailors have reported a mysterious phenomenon in which the ocean appears to glow as far as the eye can see.

Green oceans on early Earth, shaped by iron, pushed microbes to evolve light-absorbing tools that worked in green light.

What are some of the largest extraterrestrial impacts to effect Earth? Learn what we’ve seen in history, and what is ...

A new study based on two decades of data shows what happens in an ocean ecosystem without great white sharks. Great white ...

A little over 5 million years ago, water from the Atlantic Ocean found a way through the present-day Strait of Gibraltar.

Historically, there have been four oceans: the Atlantic, Pacific, Indian, and Arctic. On Feb. 9, U.S. Secretary of the ...

Nearly three-fourths of Earth is covered by oceans, making the planet look like a pale blue dot from space. But Japanese ...

Connor Trimble tells PEOPLE of his mesmerizing, yet death-defying experiences as a sought-after surf photographer known for his photos shot around the world ...

Earth’s rocky layers are mysteriously low in nitrogen compared with carbon and argon. A scientific team explored our planet’s ...

In the middle of the Pacific Ocean, thousands of miles from any continent, Easter Island rises out of the sea. Its surface ...