Sloan Digital Sky Survey

A headshot of Anil Seth, wearing glasses and a collared shirt, in front of a photo from a space telescope that shows millions of stars.

Black holes and humankind

Learn how understanding black holes can help us understand ourselves.


Next-gen astronomical survey makes its first observations

U astronomers are partners in the Sloan Digital Sky Survey, which enters a new phase in an effort to map the sky.


A bowtie-shaped spectral of lights representing the universe. The center is bright green, then radiates the hot pink, magenta, yellow, and then white and finally gray.

Largest 3-D map of the universe ever created

The results are measurements of more than 2 million galaxies and quasars covering 11 billion years of cosmic time.


NEXT WAVE OF DISCOVERY

U scientists play key role in next-generation astronomical survey to map the entire sky.