Milky Way billions of years ago. This remarkable journey, revealed through the most detailed catalog of similar stars to date ...

Researchers have uncovered evidence for our sun joining a mass migration of similar "twins" leaving the core regions of our galaxy, 4 to 6 billion years ago. The team created and studied an ...

Stellar astronomy and planetary systems form a cornerstone of astrophysical research, uniting our understanding of the life cycles of stars with the intricate architecture of the systems that form ...

Solar storms around distant stars may be erasing alien radio signals before we ever hear them In A Nutshell Stellar winds and ...

New high-resolution simulations reveal that stellar rotation plays a crucial role in transporting material inside red giant stars.

Stellar activity and plasma turbulence could distort narrow radio signals before they leave their home planetary systems, potentially explaining part of the long silence in the search for ...

Our sun and a host of "solar twins" may have migrated away from the core of the Milky Way galaxy together long ago, potentially making the solar system more hospitable to life.

Chapter I: Introduction: the dawn of astronomy -- Chapter II: The earth -- Chapter III: Tools and methods -- Chapter IV: The sun -- Chapter V: The moon -- Chapter VI: Eclipses and tides -- Chapter VII ...

With astronomer Sandra Faber about to receive the National Medal of Science, KSBW’s evening television news program featured a story about the achievements and recognition of UCSC’s astronomy program.

In Indigenous worldviews -- where humanity, nature, and the spiritual realm are closely connected -- the night sky provides spiritual and navigational guidance, timekeeping, weather prediction, and ...