Forming Disk Galaxies Early in the Universe
What were galaxies like in the first 500 million years of the universe? The earliest massive galaxies may have been mostly disk-shaped, rather than the compact clumps previously predicted.
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Prior Clues of Internal Activity on Pluto
New Horizons scientists predicted that Pluto may have subsurface activity — even before any data came back from the mission.
Spin Complicates Eccentric BH-NS Mergers
When a neutron star has a glancing encounter with a black hole, its spin has a significant effect on the outcome.
Planet Imager Discovers Young Kuiper Belt
A debris disk just discovered around a nearby star is the closest thing yet seen to a young version of the Kuiper belt.
And the Title for Densest Galaxy Goes To…
Two recently-discovered objects now hold the title of the densest galaxy and the densest free-floating stellar system ever observed.
AAS Publishing News: Astronomical Software Citation Workshop
Do you wish there were a better way of citing, sharing, archiving, or discovering software for astronomy research? Share your input!
ALMA Debuts High-Resolution Results
The exciting results of the highest-resolution test campaign yet attempted by ALMA are detailed in a recent set of four papers.
The 3D Death of a Massive Star
What happens at the very end of a massive star’s life, just before its core’s collapse? The 3D simulations in this paper reveal new clues.
Featured Image: Oscillations of Coronal Loops
A nearby solar flare triggered oscillations in the coronal loops in NOAA Active Region 1283.
Discovery of a New Super-Fast Rotator
Observations of asteroid 2005 UW163 reveal that it’s spinning faster than it should be able to without flying apart.
Telltale Signs of Planets Found Around Nearby Star
ALMA observations of the disk around the nearby star HD 100546 suggest the presence of two planets that have cleared gaps in the disk.