Planets
- Planets
A diamond planet?
Distant, carbon-rich world could contain one-third its weight in gems that are relatively rare on Earth.
- 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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- 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
- Planets
Worlds beyond the solar system
Planet hunters have found hundreds of exoplanets, but none just like Earth.
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- Planets
Europa’s watery underworld
Jupiter’s smooth, icy moon may hide giant lakes beneath the surface.
- Planets
A shock to the solar system
Scientists suspect a nearby exploding star ignited the formation of the sun and planets.
- Planets
Ripples in one of Saturn’s rings
Scientists study pattern created by 600-year-old comet crash.
- Planets
Double sunsets on a distant world
Astronomers discover for the first time a planet circling two stars.
- Planets
Possible new saltwater stains on Mars
Dark streaks that grow in spring, fade in winter may point to saltwater on the Red Planet.
