Of the many different kinds of stars, asymptotic giant branch (AGB) stars, usually slightly larger and older than our own sun, are known producers of interstellar dust. Dusty AGBs are particularly ...

The dust, astronomers believe, is a key phase in the life cycle of stars, which are formed in dusty nurseries throughout the cosmos. But how the dust interacts with hydrogen and is oriented by the ...

Interstellar extinction refers to the attenuation and reddening of starlight as it passes through the diffuse gas and dust of the interstellar medium. Analysis of extinction relies on the construction ...

Ancient cosmic fingerprint: Researchers found rare isotope iron-60 in Antarctic ice, tracing its origin to ancient supernova explosions. Interstellar cloud clues: Data suggest changes in dust influx ...