Features

Finding Missing Flares

Is the high-energy radiation of a solar flare only rarely accompanied by a flash at visible wavelengths, or are visible-light flares more common than expected?

Stellar bow shock

Astrobites reports on three neutron-star bow shocks photographed in unprecedented detail, revealing new insights into the hidden physics behind these cosmic collisions.

Cas A supernova remnant as seen by JWST, revealing the structure known as the Green Monster

What has poked holes in the filamentary green structure in front of Cassiopeia A? A new research article offers answers.

neutron stars approaching a merger

Gravitational waves from collapsars, mass-gap black holes, and local supermassive black holes are the subject of this Monthly Roundup.

illustration of planets colliding

Astrobites reports on how machine learning can help researchers simulate the phase of planet formation in which planetary embryos interact, collide, and combine to form the planets we know and love.

Black Eye Galaxy NGC 4826
Images

Featured Image: The Black Eye Galaxy

Easily recognized by the dense band of dust swirled around its center, the Black Eye Galaxy is the subject of a new study that investigates the connection between galaxy structure and supermassive black hole properties.

illustration of a black hole floating through space

Is dark matter actually ancient black holes the size of planets? New research places a limit on how much of the universe’s most mysterious matter could be made up of tiny black holes.

illustration of an M-dwarf star and its planet

New observations of the M-dwarf exoplanet Gliese 486b help astronomers map the location of the cosmic shoreline, which separates planets with atmospheres from those without.

Jellyfish galaxy ESO 137-001

Astrobites reports on the potential discovery of a dark-matter-free dwarf galaxy hiding in the tentacle of a jellyfish galaxy.