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Did Expelled Stars Reionize the Ancient Universe?
Hot stars booted out of their galactic homes may be responsible for creating the conditions that led to today's...
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Want to Live on Mars? Here’s Your Chance
Just as NASA’s latest rover prepares to land on the surface of Mars, one Dutch company is looking to...
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Massive Landslides Spotted on Saturn’s Icy Moon
Landslides up to 50 miles long, spotted on Saturn’s moon, Iapetus, could help provide clues to similar movements of...
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Flaring Black Holes May Solve Cosmic Ray Puzzle
Where do ultra high-energy cosmic rays come from? These charged particles zoom to Earth from outer space, but why...
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Planetary Science: The Time Machine
Dating features on the Moon and Mars is guesswork. Scott Anderson is building a tool to change that.
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Why Do We Keep Going Back to Mars?
The huge NASA rover speeding toward an August landing on Mars may be the most capable and complex Red...
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Anti-Matter Universe Sought By Space-Based Detector
A seven metric ton particle detector parked for over a year on the International Space Station (ISS) aims to...
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Kepler Spots Perfectly Aligned Alien Worlds
When NASA’s Kepler space telescope started finding planets at odd angles to their parent stars, scientists wondered if our...
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‘Impossible’ Stars Found in Super-Close Orbital Dances
Four pairs of what astronomers are calling “impossible stars” — stellar twins in orbits so close they defy explanation...
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Meteorites Hold Secrets of Earth’s Formation
Scientists attempting to better understand the formation and the present-day layering of planet Earth have turned to ancient meteorites...