If Earth-like planet Proxima b has life, what might it be like?
24 August 2016
Author Stephen Baxter wonders if the newly discovered Proxima b could resemble Per Ardua, the life-bearing world he imagined around the same nearby star
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Found 677 results for dwarf planet
Proxima b: Earth-like planet spotted just 4 light years away
24 August 2016
A planet just 30 per cent more massive than Earth orbits in the habitable zone of Proxima Centauri, which is just 4.25 light years away. How Earth-like is it really?
Mystery object in weird orbit beyond Neptune cannot be explained
10 August 2016
A new-found object orbiting at extreme angles to the planets hints at new puzzle in the outer solar system - in addition to Planet Nine
Old planets always get too hot or cold for life in the end
27 July 2016
Searching for alien life on planets orbiting older stars may be fruitless - they nearly always lose their liquid water with time
Missing craters on Ceres may have been smoothed by a mud facial
26 July 2016
Ceres has surprisingly few large craters for a dwarf planet located in an asteroid belt, but its muddy composition could have wiped away the biggest impacts
Five incredible things we know about Pluto since 2015’s fly-by
14 July 2016
New Horizons buzzed by Pluto and its moons last July, giving us a front-row seat to see icy peaks, towering atmospheric haze, a kilometres-deep canyon and more
Pluto must have liquid ocean or it'd look like an overripe peach
22 June 2016
If Pluto’s inner sea froze recently, we should see ridges popping up in the dwarf planet's outer shell. Since we don’t, it's probably still liquid
How the sun abducted dwarf planets from an alien solar system
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
Your explosive guide to the end of the universe
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
Identity-crisis comet may really be closest asteroid to the sun
16 May 2016
Observations of a supposed comet that skirts close to the sun reveal it doesn't really act like one – so may be a different kind of space rock altogether
