New simulations suggest the outer solar system could disassemble within about one billion years after the Sun becomes a white dwarf.

Astrobites reports on the discovery of a new ultra-faint dwarf galaxy in preview data taken before the start of Vera C. Rubin Observatory's 10-year survey.

New radio observations provide the best view yet of the WISPIT 2 planetary system, revealing spiral wakes driven by a growing young planet.

Researchers use stellar pulsations to detect substellar companions around A-type stars — including what could be a first-of-its-kind exoplanet.

Handwritten eclipse observations and sketches of solar prominences from 1733 offer researchers a rare window into a data-poor period of solar history.

Astrobites reports on a hunt for evidence of a universal initial mass function using JWST observations of local relic galaxy Boötes I.

See the famous Crab Nebula in a whole new way: researchers have mapped the 3D kinematic structure of the nebula and investigated a jet-like feature emerging from the expanding shell.

A recent study has found that the observed mass–eccentricity relation of warm Jupiters can be explained by dynamical interactions between planets in these systems.

Researchers investigate a planetary nebula in a star cluster in the Andromeda Galaxy — one of just a handful of known extragalactic planetary nebula–open cluster pairs.

Astrobites reports on why we might need a cosmic feather duster to see life on other worlds.

We're excited to welcome Alexia Kubas and Lucas Brown to the team as AAS Media Fellows for 2026–2027!

A recent study has used spectroscopy from JWST to decipher the source of carbon oxides on the four largest moons of Uranus.

New modeling tests a common assumption that's important for interpreting exoplanet spectra: that stars of all spectral types exhibit bright magnetized regions called faculae.

Astrobites reports on how synchrotron emission from thermal electrons could help to explain the behavior of certain tidal disruption events.

The original plan for an upcoming flagship mission to Uranus called for a slingshot around Jupiter. Now that the planet won't be in the right position at launch time, the spacecraft will need to follo...

How early did planets form in the universe? A recent study used simulations to find that planetesimals could have formed significantly earlier than previously thought.

Astrobites reports on JWST observations of dust that has survived being expelled from a galaxy into the circumgalactic medium.

Researchers have discovered a comet-shaped nebula surrounding a pulsar speeding through the remains of its progenitor star.

JWST observations of the most recent interstellar visitor reveal a coma dominated not by water, as expected for solar system comets, but instead carbon monoxide.

PDS 70c is the first exoplanet known to host a circumplanetary disk, where moons are potentially forming.

Astrobites reports on whether our methods for weighing galaxies can help save cosmology from JWST’s universe-breaking galaxies.

An accreting stellar-mass black hole embedded in a supernova remnant is potentially a powerful cosmic particle accelerator.

When two galaxies collide, they spark new star formation that can emit tons of powerful radiation. A recent study observes such a system and connects this process to the reionization of the universe.

What do the latest JWST data say about the notable ultra-hot Jupiter WASP-121b?

A supernova discovered in 2010 appears to have created tens of thousands of Earth masses of dust.

Astrobites reports on whether the correlation between galactic radio, infrared, and gamma-ray emission is truly a sign that cosmic-ray electrons deposit all their energy before they can escape to inte...

Astronomers may have spotted the crumbs of a recently-eaten asteroid around a white dwarf star.

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

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

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

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

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.

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

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

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

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.

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

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.

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.

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.

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.

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.

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.

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.

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.

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

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

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...

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.