Astrobites

The Oldest Starlight

Astrobites reports on whether JWST’s most extreme high-redshift galaxy candidates aren’t galaxies at all, but the explosive deaths of the very first stars.

illustration of a stellar-mass object crashing through the accretion disk around a supermassive black hole

A supermassive black hole awakened seven years ago, and it’s now behaving in a way astronomers can’t explain.

illustration of stars in the early universe
Astrobites

The Oldest Starlight

Astrobites reports on whether JWST’s most extreme high-redshift galaxy candidates aren’t galaxies at all, but the explosive deaths of the very first stars.

three images of the Sun
Features

Monthly Roundup: Science of the Sun

Researchers search for the tiniest coronal jets, explore the Sun’s behavior from centuries ago, and examine space weather forecasts in this month’s Roundup.

JWST unfolded against a black background.
Features

How Galaxies Grow Up

A massive survey of images collected by JWST is shedding light on how galaxies grow and evolve.

merging galaxies

Researchers explore how the tilt of merging galaxies can impact the eventual collision of their supermassive black holes.

Population III stars

Astrobites reports on a new method to find the galaxies hosting the universe’s first generation of stars.

eight images from the Hubble Arp Galaxy Survey

Interacting galaxies, sparkling starbursts, and strange structures abound in new images from the Hubble Arp Galaxy Survey.

blue supergiant

Researchers have detected water vapor around a B[e] supergiant star for the first time, indicating a likely binary companion for LHA 115-S 18.