JWST image of the cartwheel galaxy

JWST has revealed an intriguing new group of galaxies with flat, extended, red disks that might be the precursors to today’s massive galaxies.

image of HD 163296's disk

Astrobites reports on an extra protoplanet that might be lurking in the dust around a nearby star.

Artist's impression of a blazar

In 2020, astronomers spotted curious color changes and other new behavior from the first known blazar.

WISE image of the Circinus Molecular Cloud Complex

Can a model in which the solar system forms in a dense, filamentary gas cloud explain the radioactive atoms found in meteorites?

two images of a galaxy observed with the Hubble Space Telescope

A survey of 45 nearby galaxies may help researchers interpret ultraviolet emission from galaxies in the early universe.

An image of the night sky featuring a wispy gas cloud and many stars. Tiny and at the center, the supernova remnant is flanked by a pair of rings of debris.

Serendipitous Supernovae

In an era of industrial-scale surveys of the night sky, sometimes unrelated projects happen to spot the same short-lived event with different tools. A new article published in The Astrophysical Journal describes a recent handful of these happy overlaps.

image of Venus featuring swirling clouds

Upcoming missions to Venus will seek trace amounts of sulfur-containing molecules that can help us study the planet’s sulfuric acid clouds and search for active volcanoes.

Hubble image of the star at the center of the Bubble Nebula

Giving Stars a Brake

Astrobites reports on how stellar rotation is slowed by stellar winds via magnetic braking, with a special focus on stars cooler than the Sun.