Space
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SpaceTitan’s Massive Mountains
The Saturn-orbiting Cassini spacecraft has spied a chain of large mountains on Titan.
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 -
SpaceRed dwarfs in the neighborhood
Astronomers have found 20 previously unknown star systems in Earth's galactic neighborhood.
By Emily Sohn -
SpaceSecrets of an ancient computer
A 2000-year-old astronomical computer could calculate planetary positions and predict eclipses.
By Emily Sohn -
SpaceSharp Eye on the Sun
An X-ray telescope aboard the recently launched Hinode spacecraft is capturing detailed images of the sun.
By Emily Sohn -
SpaceDwarf planet discord
A dwarf planet at the fringes of the solar system finally gets an official name.
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PlanetsA Puffy Planetary Puzzle
Astronomers spot an unusual object orbiting a nearby star.
By Eric Jaffe -
SpaceDark collision
Observations of a tremendous galactic crash point to invisible stuff called dark matter.
By Eric Jaffe -
PlanetsPluto and the plutons
A new definition would raise the number of planets in the solar system from 9 to 12.
By Emily Sohn -
PlanetsLakes on Titan
Saturn's giant moon Titan appears to be sprinkled with lakes of liquid methane.
By Emily Sohn -
SpaceDead star exploding
Huge nuclear explosions have ripped the outer layers off a dense, nearby star.
By Emily Sohn -
SpaceBanana Split in Space
Astronomers have spotted an odd pair of banana-shaped features in a planet-forming cloud around a nearby star.
By Eric Jaffe