When observing the night sky, it's easy to forget that every point of twinkling light is a star at some point in its life ...

A giant star, 25 times the size of the sun, has started to run out of a precious element, hydrogen. To sustain its mass, a star fuses vast amounts of hydrogen in its core, slowly making new elements, ...

Soon after the sun sets on winter nights, if you live in the northern hemisphere you can look into the sky and find the Orion constellation near the eastern horizon. In Greek mythology, Orion is a ...

One of the best places to study stars is inside “open clusters”, which are groups of stars that formed together from the same material and are bound together through gravity. Open clusters act as ...