Stars
Betelgeuse Is Bright Again
Everyone's favorite red supergiant star is bright again. The American Association of Variable Star Observers (AAVSO) has been tracking Betelgeuse…
Astronomers are hoping to see the very first stars and galaxies in the Universe
Sometimes it's easy being an astronomer. When your celestial target is something simple and bright, the game can be pretty…
It Looks Like Betelgeuse was Dimming Because it was Dusty After All
It’s been said that dust built the Universe. And it turns out dust may be the culprit for building up…
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…