King of the solar system

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

New model suggests Hawking radiation is speeding cosmic decay Scientists have long predicted that the Universe’s lifetime is effectively forever – specifically, 101100 years. But now scientists from R

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

There’s a reason why Earth has seasons – and it’s about being totally tilted.

BEST TIME TO SEE: Nights of 9/10, 10/11 and 11/12 July A full Moon occurs when the Moon is opposite the Sun in the sky or, in other words, when its ecliptic longitude is 180° from the Sun. The eclipti

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