Expanding universe

20 amazing answers t o curious

Isn’t it amazing that astronomy – humanity’s oldest science – continues to generate such a delightful amount of new knowledge? Seeing as we’ve been studying the motion of the stars for a good long whi

Our eyes paint such vivid portraits of the world around us that it’s easy to forget how much of our surroundings go unseen. Wi-Fi signals pinging this way and that, subatomic particles and radiation z

It’s one of the most basic concepts in physics, governing the behaviour of everything from subatomic particles to galaxies

Imagine an early human out on the savannah, stepping away from the evening fire, glancing up at the dark sky and being totally captivated by the tiny, twinkling sparks dotted everywhere. Eyes wide, he

Flicking through the pages of BBC Sky at Night Magazine each month, you’d be forgiven for thinking astronomers have black holes pinned down. Whether it’s the dramatic imaging of black hole shadows by