Legend has it that somewhere beyond Neptune and Pluto, there is a ninth planet, with a mass that is five times greater than ...

The heart's brightness arises from sunlight reflection, while red patches, formed by tholins, showcase Pluto's atmospheric ...

Far beyond Neptune lies a vast and unsettling frontier filled with dwarf planets, ancient ice worlds, collapsing atmospheres, ...

Decades-old pictures of Pluto’s heart are breaking the Internet again. University of Oxford's Dr Carly Howett explains the science behind the New Horizons mission and that famous 5-billion-kilometre ...

Mercury, the buzzy planet that directs the collective mindset, stepped into a new sign on New Year’s Day in both 2016 and ...

A rare discovery beyond Neptune is forcing scientists to rethink early solar system dynamics and the forces that shaped ...

The constellation Ophiuchus represents the Serpent Bearer, a man wrestling a serpent, dividing the snake’s body in two parts.

Scientists say studying objects like Ammonite, despite their immense distance, offers valuable insight into the solar ...

The nature writer has collaborated with musicians Delia Stevens and Will Pound on a reimagining of Holst’s ‘The Planets’ ...

We know what will happen to the Sun and our Solar System because we can look outward into the galaxy and examine older ...

(July 23-Aug. 22) ★★ Today the Moon is at the top of your chart at odds with a gaggle of planets directly opposite you. This means it will be easy to get into an argument with someone who is close to ...