Space
- Planets
Icy Orbs at the Solar System’s Edge
A ring at the solar system's outskirts appears to contain smaller objects than expected.
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- Space
A dusty birthplace
Evidence of separate bands of dust suggests the presence of a planet orbiting a young star.
- Space
Clash of the galaxies
An X-ray image unveils an immense collision between two huge clusters of galaxies.
- Planets
A very distant planet says “cheese”
A small red spot may be the first picture ever taken of a planet outside the solar system.
- Space
Searching for alien life
A robot rover practices looking for alien life by trekking across the world's driest desert.
- Planets
Planet Hunters Nab Three More
Astronomers have spotted three Neptune-size planets outside our solar system.
- Planets
Saturn’s New Moons
The Cassini spacecraft has found evidence of lightning and two tiny moons orbiting the ringed planet.
- Space
Burst busters
A powerful type of explosion in outer space is much more common, but not always as powerful, as astronomers had thought.
- Planets
Ringing Saturn
The Cassini spacecraft has arrived at Saturn to start exploring the planet and its rings and moons.
- Planets
Witnessing a Rare Venus Eclipse
On June 8, Venus will cross in front of the sun for the first time since 1882.
- Space
Older Stars, New Age for the Universe
The oldest stars appear to be about a billion years older than astronomers had estimated.
