Aliens Are Probably Huge 650-Pound Creatures
New research proposes that if intelligent life outside Earth's atmosphere exists, chances are it's enormous.
The findings from University of Barcelona cosmologist Dr. Fergus Simpson are based ... more
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Our Sun came late to the Milky Way's star-birth party
In one of the most comprehensive multi-observatory galaxy surveys yet, astronomers find that galaxies like our Milky Way underwent a stellar "baby boom," churning out stars at a prodigious rate, abo ... more
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Chimps learn and improve tool-using skills even as adults
International SWOT Mission Can Improve Flood Prediction
NASA Advances Climate Research with New Earth System Explorers Program Proposals
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Comms system critical to delaying MESSENGER's Mercury impact
MESSENGER's orbit-correction maneuver on April 6 was a nail biter. It was the 15th such maneuver since the spacecraft entered orbit about Mercury in 2011, and the third in a series of increasingly r ... more
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Mars has belts of glaciers consisting of frozen water
Mars has distinct polar ice caps, but Mars also has belts of glaciers at its central latitudes in both the southern and northern hemispheres. A thick layer of dust covers the glaciers, so they appea ... more
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A new view of the moon's formation
Within the first 150 million years after our solar system formed, a giant body roughly the size of Mars struck and merged with Earth, blasting a huge cloud of rock and debris into space. This cloud ... more
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Small solar eruptions can have profound effects on unprotected planets
While no one yet knows what's needed to build a habitable planet, it's clear that the interplay between the sun and Earth is crucial for making our planet livable - a balance between a sun that prov ... more
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Future electronics based on carbon nanotubes
The exceptional properties of tiny molecular cylinders known as carbon nanotubes have tantalized researchers for years because of the possibility they could serve as a successors to silicon in layin ... more
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