Press Releases

Stars in Our Galaxy Move Far From Home

When it comes to our galaxy, home is where the star is. Scientists with the Sloan Digital Sky Survey (SDSS) have created a new map of the Milky Way and determined that 30 percent of stars have dramatically changed their orbits.

Read More

The Sloan Digital Sky Survey Expands Its Reach

Building on 14 years of extraordinary discoveries, the Sloan Digital Sky Survey (SDSS) has launched a major program of three new surveys, adding novel capabilities to expand its census of the Universe into regions it had been unable to explore…

Read More
A drawing illustrating BAOs - galaxy clusters are surrounded by gray circles, with more galaxies along the circles; a single white line marks the radius of one of the circles

A One-Percent Measure of the Universe

Researchers from the Baryon Oscillation Spectroscopic Survey (BOSS) today announced that they have measured the distances to galaxies more than six billion light-years away to an unprecedented accuracy of just one percent.

Read More
A color drawing of the Milky Way galaxy with long red arrows pointing out of the central bar.

So these stars orbit in a bar…

Forget the restaurant at the end of the Universe — astronomers now have the clearest understanding yet of the bar at the center of the Milky Way. Scientists with the Sloan Digital Sky Survey III (SDSS-III) have announced the discovery of hundreds of stars rapidly moving together in long, looping orbits around the center of our Galaxy.

Read More