The Blue Ghost lunar mission has captured a gorgeous image of Earth as it ramps up its journey toward the moon.

A once-in-a-lifetime comet is approaching the sun — and it will be visible for the first time in 160,000 years. The comet ...

Still circling Earth, Firefly Aerospace’s lunar lander fired its thrusters Thursday to put it on a path to reach the moon in ...

Stargazers will be treated to a rare seven-planet alignment in February. This is what scientists hope to learn.

The Earth's interior is composed of four layers, three solid and one liquid—not magma but molten metal, nearly as hot as the surface of the sun. The deepest layer is a solid iron ball, about ...

Google Earth offers historical imagery, while NASA Worldview provides live satellite views and timelapse videos. USGS ...

The Alinda asteroid will be visible with binoculars in a 'once in a decade' event as it brushes past Earth, with its return to the planet not expected until 2087 ...

During the most critical month of the year, May, the Planet Earth Live team followed the lives of individual young animals growing up in the wild. They captured the incredible real life stories ...

Earth's interior is made up of a series of layers that sit below the surface crust. In order of depth, these layers include the solid, but flowing mantle, the liquid outer core and the solid iron ...