For a star, its initial mass is everything. It determines how quickly it burns through its hydrogen and how it will evolve once it starts fusing heavier elements. It’s so well understood that ...

Rarest Stars in the Universe: Stars come in many forms, but some types are so rare that only a handful exist in our galaxy. For example, O-type stars account for just 0.00003% of the stars near the ...

Despite having recently officially ended its science operations in January, Gaia, one of the most prolific star explorers ever, is still providing new scientific insights. A recent paper submitted to ...