Nasa: Welcome to the Planets Earth

NASA currently operates missions to the sun at the center the galaxy as well as the mysterious glow at the outside edge of the solar system. Learn about both missions thanks to an engaging installment from the SciShow Space series....

NASA offers a photo gallery of Neptune images. Each image includes a detailed caption describing what the image is of, and the captions are also available in streaming audio.

Collection of images, with vocalized explanatory captions, of the planets acquired by NASA as part of its exploratory space programs.

On this site, you will find information and images pertaining to the primary mirror, launch, and deployment of the Hubble Space Telescope. The information is presented in text and audio format.

View photographs of space craft and read about their assembly, launching, and where they went.

One ecosystem is home to numerous habitats—how diverse are they? Pupils interact with an online lesson to explore three habitats in a rain forest ecosystem. They discover connections between species and how they depend on each other for...

What is energy, anyway? Use this featurette as an introduction to your middle school energy unit. It successfully touches each of Earth's physical systems, the sun as our main source of energy, and the flow of energy through the food...

A collection of high-resolution images of space. Images "showcase the discoveries and excitement of planetary exploration, with a focus on the origin and evolution of the Solar System and the search for life".

Inspire environmentally conscious young minds with an exceptional video, which traces the life cycles of three different plastic bottles after they are thrown away and move through the earth with different journeys through a...

[Free Registration/Login may be required to access all resource tools.] This video explores developments in mapping the human genome and figuring out the implications that such developments have on society in the future. [11:00]