Planets
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PlanetsPlanet Survivor
Scientists have discovered a planet outside our solar system that survived the rapid growth of its parent star.
By Emily Sohn -
PlanetsTwo Suns in the Sky
Some planets may orbit double stars, which means that the planets might have double sunrises and double sunsets.
By Emily Sohn -
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PlanetsAn Earthlike Planet
Astronomers have discovered an Earthlike planet that could have liquid water, and perhaps life, on its surface.
By J. L. Pegg -
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PlanetsMartian Caves
New images taken by a spacecraft orbiting Mars show what appear to be entrances to caves.
By Emily Sohn -
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PlanetsDefining planethood
Did Pluto deserve to be demoted from the rank of planet in the solar system?
By Emily Sohn -
PlanetsStrange Neptune
From giant storms and icy geysers to tilted orbits and weird spins, Neptune and its moons have many surprising features.
By Emily Sohn -
PlanetsA star’s belt of dust and rocks
Astronomers have obtained hints of a dusty asteroid belt around a nearby star.
By Emily Sohn -
PlanetsBack to the moon
NASA unveiled its plans for establishing a base on the moon by the year 2024.
By Emily Sohn -
SpaceDwarf planet discord
A dwarf planet at the fringes of the solar system finally gets an official name.