Planets
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- Planets
An Earthlike Planet
Astronomers have discovered an Earthlike planet that could have liquid water, and perhaps life, on its surface.
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- Planets
Martian Caves
New images taken by a spacecraft orbiting Mars show what appear to be entrances to caves.
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- Planets
Defining planethood
Did Pluto deserve to be demoted from the rank of planet in the solar system?
- Planets
Strange Neptune
From giant storms and icy geysers to tilted orbits and weird spins, Neptune and its moons have many surprising features.
- Planets
A star’s belt of dust and rocks
Astronomers have obtained hints of a dusty asteroid belt around a nearby star.
- Planets
Back to the moon
NASA unveiled its plans for establishing a base on the moon by the year 2024.
- Space
Dwarf planet discord
A dwarf planet at the fringes of the solar system finally gets an official name.
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- Planets
Pluto and the plutons
A new definition would raise the number of planets in the solar system from 9 to 12.
