Stars
Betelgeuse Is Brightening Again
After an usual period of dimming Betelgeuse is growing brighter. But no supernova yet.
Both Stars in This Binary System Have Accretion Disks Around Them
Stars exhibit all sorts of behaviors as they evolve. Small red dwarfs smolder for billions or even trillions of years.…
Betelgeuse is Continuing to Dim! It’s Down to 1.506 Magnitude
Betelgeuse keeps getting dimmer and everyone is wondering what exactly that means. The star will go supernova at the end…
Without a Magnetosphere, Planets Orbiting Flare Stars Don’t Stand a Chance
Earthlings are fortunate. Our planet has a robust magnetic shield. Without out magnetosphere, the Sun's radiation would've probably ended life…
Of the Two Stars in Alpha Centauri, One is Probably More Habitable than the Other
A new study has shown that the Alpha Centauri is not likely to support life and that one of its…
Tatooines everywhere? Many of the Exoplanets Already Discovered are in Multi-Star Systems
Right now, we know of about 4,000 confirmed exoplanets, mostly thanks to the Kepler mission. TESS, the Transiting Exoplanet Survey…
The First Stars Formed Very Quickly
Based on a new study, it is possible that the first stars in our Universe formed about 1 billion years…
The Most Massive Neutron Star has been Found. It’s ALMOST the Most Massive Neutron Star That’s Even Possible
Neutron stars are the end-state of massive stars that have spent their fuel and exploded as supernovae. There's an upper…
This Star Has Reached the End of its Life
About 10,000 light years away, in the constellation Centaurus, is a planetary nebula called NGC 5307. A planetary nebula is…
Traces of One of the Oldest Stars in the Universe Found Inside Another Star
Despite all we know about the formation and evolution of the Universe, the very early days are still kind of…