"Cosmic archaeologists" have discovered an iron-deficient second-generation star, which provides evidence of how ancient stars enriched their successors.

The night sky appears perfectly still, but the universe is constantly changing in ways the human eye cannot see. By combining ...

The local universe may be expanding more slowly than previously thought, a discovery that could relieve a pesky discrepancy ...

Still in its original galaxy, a rare holdout from the second generation of stars sheds new light on the origins of the elements—and how massive supernovae reshaped the cosmos ...

This video explores a groundbreaking photograph that transformed our understanding of astronomy. Delve into the details ...

Science in the modern era is increasingly reliant on enormous datasets and automated analysis. In astronomy, the Vera C. Rubin Observatory's Legacy Survey of Space and Time (LSST)—a ten-year survey ...

The Vera C. Rubin Observatory has started releasing its first discoveries: including supernovae, variable stars and asteroids, which will from now on be discovered at an astonishing rate as it begins ...

Astronomers have created the largest and most detailed 3D map yet of a glowing signal from the early universe, revealing hidden galaxies and gas from 9-11 billion years ago. By analyzing faint ...

Join us today, Nov. 20, for Astronomy Unlocked, a virtual event focused on choosing your best telescope, complete with insight and tips from leading industry experts. Observing the wonders of the ...

The oldest stars in the Milky Way are forcing a fresh look at one of cosmology’s biggest arguments. If some of them are about 13.