Sen's livestream of space offers the world’s first live Ultra High Definition views of Earth and is available for free on YouTube.

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 ...

Stargazers will be treated to a dazzling six-planet "alignment" this January.

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.

See at NASA Worldview Google Earth is not a live view of the Earth. It has collected data over years to show us what many ...

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 ...

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 ...