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.
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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.
The Call of Dark Sirens in Precision Cosmology
Merging black holes may be the key to answering the long-standing question of how fast the universe is expanding.
A Long Wavelength Look at Distant Quasar Hosts
What can radio observations tell us about very distant, quasar-hosting galaxies?
A Map of a Stellar Explosion
A recent study reveals details of a violent explosion that might provide clues about how massive stars are born.
Bringing Galileo’s Sunspots into the 21st Century
Astronomers have drawn detailed maps of dark spots on the Sun’s surface for hundreds of years. Can computers help us to bridge between historical and modern datasets?
How to Get Water on the Moon
Without a resupply source, the Moon’s surface water would vanish. What’s keeping it hydrated?