Some 4.6 billion years ago, Earth was nothing like the gentle blue planet we know today. Frequent and violent celestial impacts churned its surface and interior into a seething ocean of magma—an ...

Five times stronger than the Gulf Stream and 100 times larger than the Amazon River, the Antarctic Circumpolar Current (ACC) is by far the world's largest ocean current. But this key system is ...

For roughly 2 billion years of Earth's early history, the atmosphere contained no oxygen, the essential ingredient required ...

The ocean on Ganymede may have more water than all the water on Earth. In this artist’s concept, the moon Ganymede orbits the giant planet Jupiter. NASA’s Hubble Space Telescope observed aurorae on ...

The Indian Ocean lies between Africa and Australia. Discover everything about the world’s third largest and warmest ocean, ...

The vast array of organisms in the deep sea remains a mystery to humans. Now, marine biologists can add one more puzzle to the list. A collection of odd materials was discovered nearly four miles ...

Forbes contributors publish independent expert analyses and insights. I write about biodiversity and the hidden quirks of the natural world. When we think about the scope of our world’s diversity, ...

The Pacific Ocean is by far the world's largest ocean, more than five times wider than our moon. But why is the Pacific so big? The predecessor of the Pacific Ocean was Panthalassa, or the ...

The largest piece of Mars ever found on Earth was sold for just over $5 million at an auction of rare geological and archaeological objects in New York on Wednesday, while a juvenile dinosaur skeleton ...

In that moderate emissions scenario, we found the highest sea-level rise from Antarctic ice melt alone, up to 5 feet (1.5 meters) by 2200, occurs in the Indian, Pacific and western Atlantic ocean ...