In a groundbreaking study published inNature Astronomy, astronomers have identified the lowest-mass dark object ever discovered through gravitational lensing. This breakthrough provides significant ...

Most of the matter and energy in the cosmos does not shine, yet its presence is written into the way galaxies twist, stretch, and smear across the sky. By treating those warped galaxies as data rather ...

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 ...

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 ...

An enormous map of the universe and how it's changed over time has been made by scientists, and may change how we think about the cosmos and its expansion. This map, made using data gathered by the ...