DESI's first dataset maps 18.7 million celestial objects, aiding dark energy, galaxy, and universe expansion studies.

NASA’s new video is also just fun to watch. The animation shows what the seafloor looks like off the coasts of Mexico, South ...

Their first tracker is now in orbit. They plan to use a series of these to generate live maps of satellites big and small, fragments from old vessels, and debris as small as 5 cm.

The Dark Energy Spectroscopic Instrument (DESI) is mapping millions of celestial objects to better understand dark energy—the ...