How Many Microbes Live on Earth? | Peter Girg...

What’s the difference between a fact, a law, and a theory? Mineralogist Robert Hazen and astrobiologist Michael Wong unpack the hierarchy of scientific ideas and reveal how laws of nature elegantly unify the universe.For more, check out the extended interview with Robert Hazen an ...  Show more

Scientists have discovered the oldest DNA ever found: tiny fragments hidden in the dirt. The idea that soil could hold genetic traces from creatures that vanished millions of years ago seemed impossible – until one researcher had the wild idea to go and look. But how did he find ...  Show more

Get ready to explore a 10 billion year old mystery! A closely bound duo of energetic quasars, the hallmark of a pair of merging galaxies, have been discovered when the Universe was only 3 billion years old. What secrets do these quasars hold and why have they lasted so long? Join ...  Show more

We are all made of particles – but what are particles made of? It’s a question that’s been perplexing scientists for centuries - for so long, in fact, that listener Doug in Canada wants to know if there’s a limit to how much they can ever discover. CrowdScience heads out to CERN, ...  Show more

A rocket launch, super-massive black holes and ghost particles! This past week’s scientific findings are testament to how hard-at-work cosmologists and physicists have been seeking out the fundamental building blocks of our universe and the rules that govern it. Professor of Cosm ...  Show more

Embark on a celestial journey with Andrew Dunkley and Professor Fred Watson in this episode of Space Nuts, where they explore a variety of space phenomena that are as intriguing as they are mysterious. Firstly, they discuss Blue Origin's return to the stars with NS-25, a mission ...  Show more