New Horizons discovery raises solar wind riddle around Pluto
14 September 2016
The spacecraft’s observations of the dwarf planet’s atmosphere have raised questions over existing models of the solar wind
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Found 393 results for dwarf planet
Mysterious signal unlikely to be aliens after SETI draws a blank
30 August 2016
Radio telescopes across the world are swinging toward an intriguing signal that could point toward an intelligent extraterrestrial civilisation, but have come up empty
Mysterious SETI signal sends alien-hunting telescopes scrambling
29 August 2016
An intriguing radio spike spotted last year could point toward an intelligent extraterrestrial civilisation, but follow-up observations so far have come up empty
Proxima b’s star could be blasting away the planet’s atmosphere
26 August 2016
We’ve just found a potentially habitable exoplanet nearby, but monthly violent outbursts from the star Proxima Centauri could be bad news for life
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?
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
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
