Featured Image: Mapping the Boundaries of a Coronal Hole
A team of scientists has tested our ability to measure “holes” in the Sun’s atmosphere, which may be a main source of the magnetic fields that fill interplanetary space.
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What’s Lurking in the Ticks from Cosmic Clocks?
How can ticking stellar clocks be used to search for ripples in the fabric of spacetime, and how close are we to detecting these waves?
Extragalactic UFOs: Ultrafast Outflows from Black Holes
Still not aliens, sorry! These otherworldly outflows are powerful enough to unbind galactic gas and accelerate particles to relativistic speeds.
Searching for Megastructures
Astrobites reports on how megastructures like Dyson spheres can influence the evolution of their host stars.
Radio Eyes on Titan’s Molecules
What can observations of three nearly identical molecules tell us about how they formed?
Making Heavy Metals with High-Energy Collisions
What do gold and europium have in common? They both form when compact objects like neutron stars and black holes collide.
Mapping Planet-Forming Disks with ALMA
A new special issue takes a deep dive into the chemistry of protoplanetary disks around five young, nearby stars.
Featured Image: A Charon-Lit View of Pluto
As New Horizons zipped past Pluto, it caught a glimpse of Pluto’s long-shadowed southern hemisphere.
Sizing the Sun from a Solar Eclipse
A team of amateur astronomers from around the world have measured the diameter of the Sun during a total solar eclipse, a measurement that hasn’t been updated in nearly a century.
The Case for an Active Volcano on Venus
Using data from Venus’s superheated surface and super-thick atmosphere, researchers find that a volcano in Venus’s Imdr Regio might be active today.
A Recipe for Growing Black Holes in Small Galaxies
Astrobites reports on new predictions of the fraction of dwarf galaxies with active black holes lurking at their centers.
Another Kind of Tatooine: Can Planets Form Perpendicular to a Binary System?
Astronomers use N-body simulations to explore how planets form around double stars that have eccentric orbits.