STEM Challenges

Not all stars are the same age, and those differences reveal the entire history of our galaxy. Explore how stellar populations tell the story of the M...

The vast space between the stars may look empty, but it is filled with gas and dust that connects every star to every other. This interstellar medium ...

Hidden at the very heart of the Milky Way, behind curtains of gas and dust, lurks a supermassive black hole four million times more massive than the S...

We live inside a vast barred spiral galaxy containing hundreds of billions of stars. But because we are embedded inside it, mapping its true shape has...

Black holes are not just objects — they are windows into the deepest mysteries of physics, where quantum mechanics and gravity collide. Explore Stephe...

You cannot photograph a black hole directly — no light escapes. But clever scientists have found brilliant ways to detect them using X-rays, gravitati...