Would aliens attack us, Independence Day style?

The idea of aliens arriving and promptly attacking us, Independence Day fashion, recently popped up again largely on the back of another Independence Day movie. But it’s also been offered as a warning by no less a person than Stephen Hawking. And when Hawking says something – well, it pays to listen. Is it true … More Would aliens attack us, Independence Day style?

Proxima Centauri’s got a planet! Yay, but don’t get too wild yet

I think it’s exciting that we’ve found an Earth-sized planet orbiting the star right next door. Proxima Centauri – the closest star to us besides the Sun. Last week’s announcement of Proxima b by the ‘Pale Red Dot’ project, operating mainly from the European Southern Observatory in Chile, was ‘leaked’ a month or so ago. … More Proxima Centauri’s got a planet! Yay, but don’t get too wild yet

Einstein was right…again. Gravitational waves rule!

About 1.3 billion years ago, two black holes collided – and the whole fabric of space-time rang like a bell. Last September, researchers in the US detected the gravitational ripples. They announced it this week – and THAT, my friends, is awesome news. It’s not just the fact that Albert Einstein predicted them 100 years … More Einstein was right…again. Gravitational waves rule!

Planet 9 won’t be as big as Uranus. Really.

This week’s news in the Astronomical Journal that Mike Brown and Konstantin Batygin of CalTech have predicted a ninth planet got the usual barrage of silly media headlines about ‘discovery’. The thing is, Brown and Batygin haven’t found anything. They’ve hypothesised that there’s a planet. And they are not the first to wonder about some … More Planet 9 won’t be as big as Uranus. Really.