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Hubble's Night Sky Challenge

Do you have a telescope? Would you like to see some of the same night sky objects from the ground that the Hubble Space Telescope has seen from space? Commemorate Hubble’s 35th anniversary with a yearlong night sky stargazing adventure for astronomy enthusiasts.

Join the Celebration about Hubble's Night Sky Challenge
Caldwell 21, also known as NGC 4449, is an irregular dwarf galaxy located over 10 million light-years from Earth. This star-speckled Hubble image captures the chaotic, ongoing processes of stellar evolution within the galaxy.

A Glimpse of a Meatball

The NASA “meatball” logo mounted on the south side of the Flight Research Building at NASA’s Glenn Research Center in Cleveland, as seen through foliage.

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Space image with stars and swirls of colorful orange, red and white.

Earth Information Center

Explore our changing planet

For more than 50 years, NASA satellites have provided data on Earth’s land, water, air, temperature, and climate. NASA’s Earth Information Center allows visitors to see how our planet is changing in six key areas: sea level rise and coastal impacts, health and air quality, wildfires, greenhouse gases, sustainable energy, and agriculture.

Earth Science about Explore our changing planet
The St. Clair River flows into the freshwater Lake St. Clair and separates the American state of Michigan (top) from the Canadian province of Ontario (bottom) in this photograph from the International Space Station as it orbited 260 miles above.
NASA