Scientists have seemingly settled long-standing arguments about whether the components of Earth originated from the inner or ...

Earth's earliest continents may have set the chemical stage for life by regulating boron levels in ancient oceans, a new study in Terra Nova suggests.

The number is increasing, too. This visualization, which is based on Space Force data and excludes debris, suggests that the ...

Earth Day, which began in 1970, is celebrated each year on April 22.

Astronauts and robotic spacecraft have captured breathtaking photos of Earth from space for decades. See the best images.

Millions of people around the world will pause, at least for a moment, to mark Earth Day. The annual event is Wednesday.

Deep within Earth’s core, scientists are uncovering signs of a hidden structure that challenges long-standing models of the planet’s interior.