Gamma Cassiopeiae may be hiding a magnetic white dwarf companion
Visible without a telescope, γ Cassiopeiae has stood out for decades because it behaves unlike an ordinary massive…
Astronomers discover the first neutron star–black hole merger with an eccentric orbit
In 2020, astronomers discovered a violent cosmic event that has led them to rethink how extreme pairs of…
The dramatic transition of the extreme red supergiant WOH G64 to a yellow hypergiant
Meynet, G. & Maeder, A. Stellar evolution with rotation. X. Wolf–Rayet star populations at solar metallicity. Astron. Astrophys.…
Astronomers observe a massive star vanish and turn into a black hole
In the nearby Andromeda Galaxy, a massive star bright enough to stand out for years has gone dark.…
New images reveal an early-stage stellar eruption (nova) in stunning detail
A classical nova may look simple at first. A faint star brightens, sometimes enough for you to spot…
Betelgeuse’s Newfound Companion Star Keeps Breaking Astronomy Rules
A couple months back, astronomers officially confirmed the existence of “Betelbuddy,” Betelgeuse’s long-suspected companion star. Since then, researchers…
Could Alien Worlds Thrive Around Dead Stars?
White dwarf stars, like this one shown shrouded by a planetary nebula, are much smaller than stars like…
James Webb Space Telescope reveals ghostly dust rings: This “dead” star surprises astronomers |
The James Webb Space Telescope (JWST) has captured astonishing new images of the planetary nebula NGC 1514, unveiling…
Astronomers get first look deep inside a star during supernova explosion
Astronomers have peered directly at a star’s inner layers for the first time, thanks to a stellar explosion…
Astronomers Spot Companion Star in Orbit Around Iconic Star Betelgeuse, Confirming Suspicions
In 2024, astronomers surmised that Betelgeuse might have a stellar “buddy.” If this hypothetical companion existed, it would…