Weird worlds: Europa, Enceladus and Triton
24 March 2010
The seemingly bleak icy surfaces of these moons are in fact among the most active landscapes in the solar system. They may even contain cosy habitats for living creatures
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Premium
Found 113 results for dwarf planet
Weird worlds: And the rest...
24 March 2010
Which is the largest moon? Which moon was nearly upgraded to planet status? Find out here
Let's face it, science is boring
16 December 2009
Mouse urine, puréed goldfish brains and human computers. Sound interesting? Well, it's not. Honest
Is Pluto a planet after all?
22 July 2009
Poor Pluto was demoted, to the dismay of its many fans, but it could soon be returned triumphantly to full planet status
Where do comets come from?
28 January 2009
These cosmic apparitions have had humans pondering their nature for millennia, yet theories of where comets originate still don't stand up
How will the solar system end?
28 January 2009
In the final part of our Unknown Solar System special, we discover that the solar system has been relatively peaceful since the ructions that created the planets in the first 100 million years – but this calm can't last
Is there a Planet X?
28 January 2009
Lurking in the solar system's dark recesses, rumour has it, is an unsighted world – Planet X, a frozen body perhaps as large as Mars, or even Earth
Why the universe may be teeming with aliens
19 November 2008
Hunting for a planet that can support life? There's more to it than looking for Earth's distant twin, says David Shiga
Is dark matter mystery about to be solved?
5 March 2008
About a quarter of the cosmos is thought to be made of dark matter, yet no one has ever found any. In 2008, that could change
The mystery of Planet X
9 January 2008
Something weird is going on beyond Neptune, but Pluto is too puny to blame. Time to call in the planet hunters, says Govert Schilling
