Diving into the Darkest Corners of the Universe with Fast Radio Bursts

Using fast radio bursts, researchers have measured just how empty cosmic voids truly are.

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EXCELlent Work, Detectives! Solving the Murder of Star Formation in Galaxies with JWST

Astrobites reports on a whodunit of cosmic significance: who killed star formation in massive elliptical galaxies?

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Featured Image: Citizen Science and Solar Structure

Citizen scientists from the Dynamic Eclipse Broadcast Initiative recorded nearly an hour of coronal behavior during the 8 April 2024 solar eclipse.

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Spying on a Split Comet

A recent study investigated the possible mechanisms that caused a known Jupiter-family comet to split in two.

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Monthly Roundup: The Fourth Catalog of Gravitational Wave Events from LIGO, Virgo, and KAGRA

A recent Focus Issue of the Astrophysical Journal Letters introduces the fourth version of the gravitational transient catalog from the LIGO, Virgo, and KAGRA collaborations.

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The “Rhythm” of the Interstellar Medium

Astrobites reports on the interplay between the interstellar medium and star formation in simulated galaxies.

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First-Generation Stars Provide Better Fit than a Black Hole for Early-Universe Gas Clump

What powers the prominent helium emission from Hebe, a gas clump seen just 450 million years after the Big Bang?

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Noble Gases Along for the Ride

How did neon end up inside Earth's mantle, and what does that tell us about how our planet formed?

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Researchers Spot Hydrocarbons Surprisingly Close to a Quasar Pair

Hydrocarbons keep turning up in surprising places. This time, they've been found near a pair of accreting supermassive black holes 3 billion years after the Big Bang.

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What if Mars Were a Stranger (Thing)?

Astrobites reports on whether we'd even know what we were looking at if our familiar red neighbor were a stranger light-years away.

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Featured Image: A Rare Pair of Galaxies Lacking Dark Matter

The galaxies FCC 224 and FCC 240 appear to be a rare example of a dark-matter-poor, globular-cluster-rich pair formed via colliding dwarf galaxies.

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Dating the Dawn of the Milky Way Disk

A recent study used the kinematics, chemical composition, and ages of thousands of stars to determine when the Milky Way settled into the spiral disk we know it as today.

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Seeking Technosignatures in Polluted White Dwarfs

White dwarfs with metals in their spectra preserve a record of planets that once orbited them. New research examines these spectra for signs that the metals underwent technological processing.

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Can Arid Planets Keep Their Cool?

Astrobites reports on why dry planets may be missing the critical thermostat of the geologic carbon cycle, which has helped to stabilize Earth's climate over billions of years.

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When the Spacecraft Align: Rescuing Saturated Images of Solar Flares

When a powerful solar flare saturates a detector, the information about the flare is lost — or is it? New research validates a technique for extracting knowledge from saturated images of solar flares.

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Putting the Landing Site Before the Lander

How do you pick a landing site before you know how you're going to land? The scientists behind NASA's latest Moon missions are working on just that.

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Gaia Data Show That the Initial Mass Function Is Not Universal

Do all clusters form stars with the same distribution of masses? Researchers have demonstrated that the initial mass function, often assumed to be universal, varies across Milky Way clusters.

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Distant Galaxies: Dead or in Disguise?

Astrobites reports on whether some of the most massive galaxies in the early universe are truly quenched, or if they're just hiding their star formation behind dust.

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Featured Image: A Mass Mystery in the Bullet Cluster

Using data from JWST and the Dark Energy Camera, researchers have revisited a long-standing issue with measurements of the famous Bullet Cluster.

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A New Catalog of Stellar Rotation Periods for Over a Million Stars

A recent study has leveraged TESS's full-sky coverage to build a catalog of stellar rotation periods for over a million stars.

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Two More Thoughts on Little Red Dots

What's behind the population of compact, reddish objects spotted by JWST? Two recent research articles have explored theories involving young globular clusters and little red dots with little blue com...

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A Wandering Supermassive Black Hole Eating a Star

Astrobites reports on the first case of a supermassive black hole discovered away from its galaxy’s center, exposed when it tore apart a star in a tidal disruption event.

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Detached but Not Alone

The galaxy seems to be full of free-range Neptunes, but a closer look reveals some complicated family dynamics in planetary systems.

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New Spectral Signs of Buckyballs Discovered in Planetary Nebula

JWST observations serendipitously revealed new emission features from fullerenes, the largest molecules definitively detected in space.

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Black Holes Reveal Their Seeds

Astrobites reports on the potential detection of intermediate-mass black holes in the early universe — signs of black holes seeded by direct collapse.

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AAS Media Fellowship Now Open for Applications

Are you an astronomy graduate student who’s interested in science communication? Apply for the AAS Media Fellowship by June 26!

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Featured Image: A Spiral Cloud in the Milky Way

A newly discovered molecular cloud in the Milky Way displays a surprising spiral structure.

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AAS 248: Day 4

Editor’s Note: This week we’re at the 247th AAS meeting in Phoenix, AZ. Along with a team of authors from Astrobites, we will be writing updates on selected events at the meeting and posting each day....

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AAS 248: Day 3

A glimpse into the world of high energy density laboratory astrophysics, 40 years of infrared astronomy, the discovery of twin supernova remnants, and more on Day 3 of AAS 248.

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AAS 248: Day 2

On Day 2 of AAS 248: roasted exoplanets, globular clusters, the cost of losing our dark night skies, and more.

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