illustration of a planet orbiting an M dwarf and losing its atmosphere

New research challenges expectations that the smaller a planet is, the faster it will lose its atmosphere when exposed to fierce stellar winds and intense radiation.

An illustration of an M-dwarf star covered in starspots

Astrobites reports on a class of stars known as complex periodic variables and the possible causes of their variations.

star-forming region NGC 6357

A metal-poor star in the Milky Way’s halo may have formed from the remains of the very first stars to flicker into existence, opening a window into the properties of our universe’s original stars.

multiwavelength image of the Crab Nebula

Dive into three recent research articles that explore how pulsars are detected, where their pulses come from, and how they interact with their surroundings.

A rendering of a planet trailed by a tail of material.
Features

Magnetic Last Moments

Brown dwarfs unlucky enough to orbit black widow pulsars can’t survive forever, and recent radio observations are providing new insights into their untimely ends.

Hubble image of the galaxy Messier 87

Astrobites reports on an investigation into whether active galactic nucleus feedback can shut down star formation in galaxies.

illustration of an exoplanet around a white dwarf with a debris disk

Researchers may have spotted two giant exoplanets around white dwarfs, providing evidence that the giant planets in our solar system will survive the Sun’s red giant phase.

photograph of Earth

Stars passing within a few light-years of our solar system add an element of chaos to planetary orbits, limiting how far back we can study Earth’s past orbit.