A New Look into Cas A’s Past
The detection of pristine circumstellar material in supernova remnant Cas A reveals exciting new details about its stellar progenitor.
A New, Scattered-Light View of Planet-Forming Disks
New scattered-light images reveal striking substructure in circumstellar disks around nearby low-mass stars.
A New Look at SN 1987A
ALMA observations of SN 1987A shed new light on dust production in young supernovae.
A Historical Nova and the First Radioactive Molecule in Space
An explosive stellar merger reveals the first radioactive molecule discovered in space.
The First Molecule in the Universe
SOFIA observations have detected HeH+ in the planetary nebula NGC 7027, shedding new light on the dawn of chemistry in the universe.