STEM Challenges

Every atom of carbon in your body was forged inside a dying star. Every atom of iron in your blood was created in a stellar explosion. Discover how th...

For the most massive stars in the universe, life ends in the most violent explosion nature can produce — a supernova that briefly outshines an entire ...

For most stars in the universe, life ends not with an explosion but with a gentle shedding of gas and a long, quiet cool-down. Explore the beautiful p...

When a star like our Sun runs out of hydrogen in its core, it does not simply die — it transforms dramatically, swelling to hundreds of times its orig...

A star spends the great majority of its life quietly fusing hydrogen in its core. But how long that life lasts, and how brilliantly the star shines, d...

Stars are social — they are born in groups from the same molecular cloud. Explore the two main types of star clusters, their very different ages and p...