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Looking Back in Time

With contributions from NASA, the Euclid space telescope—a mission led by the European Space Agency with contributions from NASA—aims to find out why our universe is expanding at an accelerating rate.

Bending and Warping about Looking Back in Time
A sea of galaxies of many different shapes and sizes, oriented in all directions and many with spiral arms visible. A large, nearby face-on spiral galaxy draws attention at the bottom center of the image. Two bright stars in the center and to the left are seen with prominent diffraction spikes.

Earth Information Center

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.

Start Exploring about Earth Information Center
Using NASA data, researchers can track vegetation changes around the planet, not just in forests but also in grasslands and savannas like the Brazilian Cerrado.

Welcome Home, Crew-9!

NASA astronaut Butch Wilmore, left, Roscosmos cosmonaut Aleksandr Gorbunov, second from left, and NASA astronauts Nick Hague, second from right, and Suni Williams, right are seen inside a SpaceX Dragon spacecraft aboard the SpaceX recovery ship MEGAN shortly after having landed in the water off the coast of Tallahassee, Florida, Tuesday, March 18, 2025. Hague, Gorbunov, Williams, and Wilmore are returning from a long-duration science expedition aboard the International Space Station.

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