If the Sun were very different, we wouldn’t be here. A shorter-lived star wouldn't provide the opportunity for humanity to ...

Is a sun a star or a planet? Current definitions define a star as a body that generates its own energy. While humans have relied on the sun for hundreds of thousands of years, it's only in the last ...

Add Yahoo as a preferred source to see more of our stories on Google. What type of star it is: A yellow dwarf star The sun is the star at the center of our solar system. It's the largest, brightest ...

Alfredo has a PhD in Astrophysics and a Master's in Quantum Fields and Fundamental Forces from Imperial College London.View full profile Alfredo has a PhD in Astrophysics and a Master's in Quantum ...

I love simple questions that wind up having complicated—or at least not straightforward—answers. Astronomers twist themselves into knots, for example, trying to define what a planet is, even though it ...

Now a pair of studies published today in Astronomy and Astrophysics argue that the sun did not make this journey alone. The telltale sign of the sun’s galactic journey is its chemical composition, ...

One of our universe's biggest stars has dramatically turned into a rare, yellow 'hypergiant' star, and astronomers aren't sure when it will go supernova.