Stars

A zombie star has defied expectations by surviving a supernova explosion that should have destroyed it. The undead white star's "grave" is marked by a cosmic dandelion.

The supergiant star Betelgeuse may have a companion star that pushes light-blocking dust out of the way, causing the irregular changes observed in the star's brightness.

The first and most famous "failed star" discovered by humanity isn't one brown dwarf, but two! The duo comprising Gliese 229B are so tightly bound they orbit each other in 12 days.

Using the Gaia space telescope, astronomers have observed 55 massive stars ejected from their home star cluster in the Large Magellanic Cloud at speeds equivalent to 80 times the speed of sound.

Using NASA's exoplanet-hunting spacecraft, TESS, astronomers and citizen scientists have discovered a record-breaking system of three tightly bound stars that could fit between the sun and Mercury.

The Rosette Nebula in Monoceros is captured in all its glory, revealing the sites of star formation and the feedback effects of stars that have already coalesced out of the nebula's molecular gases.

A new telescope image reveals in intricate detail a slice of a well-studied faraway stellar nursery.

A distant star has a dead star companion lurking in its vicinity that could be a monster-massive white dwarf, raising the question: how has it avoided being devoured by this cosmic zombie?

Astronomers have gotten the first-ever detailed views of turbulent activity on a star other than our own sun.

A mysterious ring invisible at all wavelengths except radio could be a trace of a dramatically unstable star shedding its skin.