Earth’s geological evolution is aslow but constant process, with tectonic movements driving significant changes over millions ...

Using information from inside the rocks on Earth's surface ... make an attempt at mapping the planet over the last 40% of its ...

Scientists reveal new details about the 5.3-million-year-old flood, which triggered earthquakes, generated tropical-storm ...

Earth is not alone, and a stunning new animation created using NASA data ... For example, purple circles show a planet found by its transit, or passage in front of a parent star; this is ...

The Earth is really, really old. Over 4 1/2 billion years old, in fact. How do we begin to comprehend a number that large? It helps to put it on a more fathomable scale. Watch to see where Earth's ...

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 ...