
Planets near dangerous stars could shield alien life under smog
4 December 2017
Red and white dwarfs make nasty neighbours due to spurts of deadly radiation, but alien life could still form on planets nearby if shielded by smog or oceans

4 December 2017
Red and white dwarfs make nasty neighbours due to spurts of deadly radiation, but alien life could still form on planets nearby if shielded by smog or oceans

10 May 2017
Human clones, a colony on Mars, alien contact... what world-changing breakthroughs will come in the next decade? We asked the experts – with some surprising results

8 June 2016
The weird orbits of some bodies in the outer solar system reveal they are booty from an interstellar smash and grab raid, says astronomer Simon Portegies Zwart

1 June 2016
Our sun will swell, our galaxy will collide with its neighbour and the universe could suddenly be swallowed by a vacuum bubble

22 March 2016
Floating mountains, ice volcanoes and a churning plain of nitrogen sludge – pin-sharp pictures beamed back from Pluto are changing how we think planets work

16 March 2016
It's a giant sphere of a trillion rocks encircling us that occasionally sends comets slinging our way. That's a convincing story – but we'd love some direct evidence

3 February 2016
Plotting a course through outer space is tricky, but stellar corpses called pulsars are pointing the way to a new form of celestial navigation

20 January 2016
Wobbles in the orbit of two distant dwarf planets are reviving the idea of a planet hidden in our outer solar system. Two new discoveries could fit the bill

11 November 2015
Billions of years ago, an iron nucleus forged in another galaxy was flung into space at close to the speed of light – headed for your cells

11 November 2015
Find out how 13-billion-year-old calcium atoms forged in the stars got to be part of your bones – and how you may one day become stardust again