Calibrating cosmic mile markers

Pasadena, CA—New work from the Carnegie Supernova Project provides the best-yet calibrations for using type Ia supernovae to measure cosmic distances, which has implications for our understanding of how fast the universe is expanding and the role dark ene

Postdoc Spotlight: Tom Holoien

We talked to Tom Holoien, a Carnegie Fellow since 2017, about finding dying stars and his unusual path to becoming an astronomer.

Letter from the Director: September 2018

Viscacha at sunset
Dear Friends, September is always an exciting time at The Observatories. This is the month each year when most of our new postdocs begin their positions at Carnegie. For those of you not familiar with the term, postdocs are young scientists who have completed their doctoral studies and are further...