Stellar Evolution
Early Supermassive Black Holes First Formed as Twins
It's one of the puzzles of cosmology and stellar evolution: how did supermassive black holes get so... well, supermassive... in the…
What Are The Odds Of Spotting A Milky Way Supernova From Earth?
An exploding star in our home galaxy might be visible to Earth in the next 50 years, astronomers say in…
ALMA Warms Up the View of the Coldest Place In the Universe
Where is the coldest place in the Universe? Right now, astronomers consider the “Boomerang Nebula” to have the honors. Located…
Future Supernova Is Surrounded By Hydrogen Clouds
The faint green glow you see in that picture is not an early harbringer of Hallowe'en spooks. It's hydrogen gas…
Endings and Beginnings – Magnetic Jets Shape Stellar Transformation
The incredible visual appearance of planetary nebulae are some of the most studied and observed of deep space objects. However,…
Double Vision: Scientists Spot An Elder ‘Twin’ To the Sun
If you want a picture of how you'll look in 30 years, youngsters are told, look at your parents. The…
Flicker… A Bright New Method of Measuring Stellar Surface Gravity
A simple, yet elegant method of measuring the surface gravity of a star has just been discovered. These computations are…
ALMA Spots a Nascent Stellar Monster
Even though it comprises over 99% of the mass of the Solar System (with Jupiter taking up most of the…
What Happens When Stars Collide? In This Case, A Newly Observed Kind of Pulsating Star
It sure would be interesting to watch two stars run into each other -- from a safe distance, of course.…
A Rare Opportunity to Watch a Blue Straggler Forming
A unique and enigmatic variety of stars known as blue stragglers appear to defy the normal stellar aging process. Discovered…