The universe is filled with galaxies — more than a trillion by some estimates — and we’ve only mapped a fraction of them. But answering some of the most pressing mysteries plaguing astronomers today, ...

The Dark Energy Spectroscopic Instrument (DESI) is mapping millions of celestial objects to better understand dark energy—the mysterious driver of our universe's accelerating expansion. Today, the ...

Dr. Mustapha Ishak-Boushaki, a theoretical astrophysicist at The University of Texas at Dallas, has spent his career seeking answers to some of the universe's greatest mysteries, including why the ...

A mysterious object has been detected at the edge of the universe, sparking curiosity and debate within the scientific community. As researchers scramble to understand its origins and purpose, ...

Scientists have proposed new instruments that would use spectroscopy to decode dark matter, dark energy and cosmic inflation. Telescope images can tell us a whole lot about celestial objects: where ...

After five years of peering into the deepest reaches of space, researchers have released what they call the "largest three-dimensional map of the universe" ever. No, you cannot see your house. The ...