Space
- Planets
Home on the moon
Astronomers say rocky moons orbiting distant planets might support alien life.
- Planets
Ice on Mercury
MESSENGER spacecraft provides evidence for frozen water on planet closest to sun.
- Planets
A diamond planet?
Distant, carbon-rich world could contain one-third its weight in gems that are relatively rare on Earth.
- Space
Twinkle, twinkle oldest stars
Astronomers find traces of ancient light in the activity of bright, distant galaxies.
- Planets
New planetary neighbor
Nearest star system has a world that's Earthly in size, but too hot for human visitors.
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- Space
The first moon walker
Forty-five years ago, an American astronaut climbed down the ladder of his lunar landing module — the Eagle — and became the first human to touch the moon’s surface.
- Tech
Curiosity lands on Mars!
NASA successfully delivered a $2.5 billion robotic vehicle to Mars, one that will explore for signs that the planet might once have hosted life
- Space
An invisible cosmic bridge
Astronomers find strange stuff in the space between two clusters of galaxies.
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- Space
Galactic mashup
Save the date: The Milky Way will merge with its nearest large neighbor in about 4 billion years.
