Podcast: 60 second science: Milky Way blowing bubbles

The Milky Way has been seen blowing a pair of giant gamma-ray bubbles. Measuring 50,000 light-years across and towering above our galaxy, it’s thought the bubbles may have been formed 100,000 years ago by jets of matter created when 100 suns’ worth of material fell into the black hole at the centre of our galaxy. […]

Terror in the heavens

Earth-engulfing black holes, continent-crushing asteroids, crop-cremating supernovae. Sounds like science-fiction, or at worst the rant of a lunatic – and largely you’d be right. Not that these things don’t happen, it’s just that they’re extraordinarily rare and you’re probably better off minding that car screeching past you than worrying about our collective planetary plight; after […]