After Pluto: Alan Stern’s cosmic ambitions won’t be dwarfed
26 January 2016
With Pluto now in the bag, space supremo Alan Stern discusses the space race, crowdsourcing a Mars map, and why he's grumpy about how to define a planet
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Premium
Found 677 results for dwarf planet
Lonely exoplanet orbits its star at greatest distance yet seen
26 January 2016
A closer look at the motions of a small star and a misfit planet shows the two are linked by gravity - and can teach us about planets and stars alike
Galaxy-mapping Gaia space telescope gets an eye test from Pluto
22 January 2016
The European Space Agency craft designed to map a billion stars in the Milky Way has also been keeping an eye out for everyone's favourite dwarf planet
Hints that 'Planet Nine' may exist on edge of our solar system
20 January 2016
An unusual alignment between the orbits of six small bodies in the Kuiper belt suggests there is an undiscovered planet 10 times the mass of Earth
Solar system mysteries: Is there a planet X?
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
Star Wars universe passes real-world test for alien head count
16 December 2015
The Drake equation, which gauges the chance of finding alien life, has been applied to a galaxy far, far away. Â鶹´«Ã½ asked astronomers to weigh in
Public vote renames planets after gods, monsters and scientists
15 December 2015
The International Astronomical Union has announced the results of a contest to name far-off planets, and Copernicus, Veritate and Sancho are among the winners
From Pluto fly-by to head transplants – the best stories of 2015
15 December 2015
This year was full of exciting stories, including mystery signals from space and the discovery of a new ancient human relative. Here are some of our favourites
Dwarf planet Ceres looks like an asteroid but acts like a comet
9 December 2015
Shiny spots and minerals on Ceres suggest it may have been born in the outer solar system, and that our classification of asteroids and planets is wrong
Beyond Pluto: New Horizons probe aims for another unseen world
18 November 2015
As Earthlings gawp at the dwarf planet, NASA's plucky probe is gearing up for one last mission: a close encounter that could rewrite solar system history
