Seeking the Origins of Galactic Stellar Streams
New work has revealed the likely origins of 23 streams of stars in our galaxy’s halo.
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Establishing Ages from Mars’s Craters
How old is the terrain of Mars’s surface? New research suggests our previous estimates were off.
Event Horizon Telescope Traces Magnetic Fields Around a Black Hole
We got our first up-close look at the shadow of a black hole nearly two years ago. Now, the same telescope is giving us a fresh perspective.
Searching the Surroundings of a Fast Radio Burst
Recent observations have revealed the detailed surroundings of a nearby fast radio burst.
Discovery of a Mystery Hidden in Chamaeleon
A deep dive into data archives recently resulted in a serendipitous discovery: the unusual erupting source CN Cha.
Spotting a Faint Escaping Atmosphere
New observations show the low-density exoplanet HAT-P-18b struggling to hold on to its atmosphere as it’s blasted with high-energy radiation from its nearby host.
Gravitational Waves Shed Light on How Heavy a Neutron Star Can Be
Recent gravitational-wave events are providing new insight into the maximum mass a neutron star can achieve before collapsing into a black hole.
To Make Measurements of Elusive Magnetic Fields
Could we directly observe the magnetic fields associated with certain types of solar activity?
Exploding Stars in Black Hole Disks
Recent work explores whether we can detect the signatures of fiery explosions from dying stars in disks around supermassive black holes.
Studying Near-Earth Asteroids with Radar
A new study explores how we can better examine nearby asteroids by bouncing radio light off of them.