What exactly is a planet? astronomers want to amend the definition

Scientists distinguish between weight and mass, which may seem pedantic until you see what happens on a world where gravity is radically different to Earth’s

Ten years ago, Pluto emerged from the gloom at the Solar System’s ragged edge – and a new world came in from the cold. Five billion kilometres (3 billion miles) from Earth, on 14 July 2015, NASA’s pia

You’re woken in the middle of the night by an urgent phone call. An asteroid is headed straight for Earth and it’s your job to find out if it’ll strike the planet and rain destruction down upon us all

The difficulty in creating a theory of ‘quantum gravity’ is that the two ideas look at the Universe at completely different scales. Quantum mechanics looks at the smallest scales of the particles that

The high-tech Japanese sake company Asahi Shuzo is taking a bold step forward by attempting to brew its sake off-world for the first time, with the ultimate goal of being able to brew sake on the Moon

I’d never fitted in… then I realised I wasn’t even from this planet!