Everyone knows what gold is, but the commodity's stellar origins might come as a bit of a surprise.
Black holes were always the most dangerous thing when traveling through space in science fiction shows. What are black holes and how do they form?
Could there be life on other planets? Given how unfathomably large the universe is, there very well could be.
What makes the sun shine? It's a question we rarely give much thought. However, there is a scientific explanation for this commonplace phenomenon.
The physicist Artur Eddington once said he hoped one day science would have advanced far enough to understand "so simple a thing as a star."
Star light, star bright, the first star I see tonight... What is this legendary star? Is it even a star at all?
You’re out on a clear, starry night with your best friend, looking for shooting stars. Look, there’s one, your friend shouts, but by the time you look, it’s gone. There’s another, she cries. Too late, you missed it. Then one comes along that seems to just amble across the sky, nice and slow. Why is it that some shooting stars are so fast and others are much slower? Learn more on this Moment of Science.
Ancient people believed comets were omens. Sometimes they were thought to signal the fall of empires, other times the birth of kings. Even today, when we’re all supposed to be much more intelligent, people do crazy things when comets pass by. Learn more on this Moment of Science.
Ever felt like you're always losing things into a black hole? Find out what a black hole really is on this Moment of Science.
What's the biggest magnet ever? Find out on this Moment of Science.