ViewSpace gives you the opportunity to explore our planet, solar system, galaxy, and universe. Provided free with the support of NASA, ViewSpace is developed by a team of scientists, …

A free, web-based collection of astronomy and Earth science videos and interactives.

Expand Your Universe with the ViewSpace Video Collection Developed by a team of scientists, educators, writers, and designers working closely with NASA missions, ViewSpace videos …

A free, web-based collection of astronomy and Earth science videos and interactives.

Also known as: Sgr A* Distance from Earth: 26,000 light-years Size: 4.6 million times the mass of the Sun Type of object: Supermassive black hole Location in the sky: Sagittarius Constellation …

Human eyes have evolved to detect the rainbow of colors that make up visible light. Some things, like stars and light bulbs, emit their own light. Other things, like plants and animals, are visible …

Stars, gas, and dust that make up a spiral galaxy give off visible and invisible colors of light.

Based on the slightly warped shapes of galaxies, mass—mostly dark matter—in each cluster is mapped and shown in blue.

Many of the atoms in your body formed billions of years ago, inside an aging star.

Seeing Farther: Hubble Ultra Deep Field Peering through slices of time and space Text Description Labels Full Story