Earth, our home planet, is a world unlike any other. The third planet from the sun, Earth is the only place in the known universe confirmed to host life. With a radius of 3,959 miles, Earth is the ...

Earth's vast oceans hold nearly all its water, but only a tiny fraction is accessible freshwater. Growing populations, ...

Here’s an Earth Day fact everyone should know: Earth Day was first observed on April 22, 1970, followed in 1972 by World Environment Day. It has been celebrated ever since, slowly but surely picking ...

NASA scientists have developed an artificial intelligence tool to take on a longstanding challenge in ocean waters. In a study recently published in the Earth and Space Science journal, researchers ...

There are a variety of holidays to celebrate throughout the month of April, including Earth Day, which falls on Wednesday, April 22, this year. A day dedicated to our planet, Earth Day is recognized ...

The rusty world is full of mysteries—and some of the solar system's most extreme geology. Learn more about Earth's smaller, colder neighbor.