Five-sixths of all the matter in the universe is this invisible stuff called dark matter, and scientists barely understand what it is. So what happens if we can't answer arguably the biggest mystery in the universe? One physicist decided to quit because he started asking question ...عرض المزيد
What happened before the big bang?
It's a question that seems impossible to grapple with, but scientists won't take no for an answer. In this collaboration with Scientific American, we take on the big bang and a whole bunch of seemingly impossible questions. Guests: Rachel Feltman, host of the Science Quickly podc ...عرض المزيد
Melvyn Bragg and guests discuss the planet Venus which is both the morning star and the evening star, rotates backwards at walking speed and has a day which is longer than its year. It has long been called Earth’s twin, yet the differences are more striking than the similarities. ...عرض المزيد
Melvyn Bragg and guests discuss the planet Venus which is both the morning star and the evening star, rotates backwards at walking speed and has a day which is longer than its year. It has long been called Earth’s twin, yet the differences are more striking than the similarities. ...عرض المزيد
This is Venus’ moment in the supermassive spotlight. What do we know about this hellish planet? And what missions are going there in the near future? Izzie and Dr Becky speak with Dr Phillipa Mason from Imperial College London about EnVision, an upcoming mission to Venus, as well ...عرض المزيد
Planetary scientists announced some big news this week about our next-door neighbor, Venus. For the first time, they had found direct evidence that Venus has active, ongoing volcanic activity. "It's a big deal," says Dr. Martha Gilmore, a planetary geologist at Wesleyan Universit ...عرض المزيد