The Dark Energy Spectroscopic Instrument (DESI) has completed its originally planned five-year mission and mapped more than ...

Looking up at the night sky, it is easy to wonder what fills the vast empty spaces between the stars. Scientists have spent ...

The Dark Energy Spectroscopic Instrument, or DESI, has finished its planned 3D map of the universe — but the work is far from over. Carnegie Mellon University researchers are already pushing the ...

Scientists have created the largest and most detailed 3D map of the universe ever made, offering a fresh way to understand ...

Tonight is "blue moon Eve" (see the May 31 entry for more details). Late tonight, look toward the southeast to see one of the ...

Hoping for a glimpse of the Milky Way? These user-friendly apps help stargazers learn more about objects in the sky, check visibility for prime Milky Way viewing, or even locate the International ...

Nightscape astrophotography combines the beauty of the night sky with gorgeous landscapes after dark. While some compositions can take hours to capture, with multiple tracked shots of the sky and ...

A blood red moon anchors a month of planetary meetups, dark-sky delights, and improved chances to catch the northern lights around the spring equinox. The Moon turns a deep copper red during the total ...