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NASA Spots ‘Alien’ Matter From Beyond Solar System
For the very first time, a NASA spacecraft has detected matter from outside our solar system — material that...
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‘Starbursts’ and Black Holes Lead to Biggest Galaxies
Frenetic star-forming activity in the early Universe is linked to the most massive galaxies in today’s cosmos, new research...
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The Big Picture: The History of the Universe Is Our History
Six world-renowned scientists explain the history of the universe and reflect on how this knowledge affects their perspective of...
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Comet’s Fiery Plunge May Tell Us How Planets Form
For the first time, scientists have caught a glimpse of a comet's final minutes before it was vaporized by...
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Why Does Our Universe Have Three Dimensions?
Why does our universe look the way it does? In particular, why do we only experience three spatial dimensions...
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What Happened Before the Big Bang?
What existed before the big bang? What is the nature of time? Is our universe one of many? On...
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Mysterious Galaxy Possibly Made of Dark Matter
A team of astronomers has identified a new galaxy that may be made completely of dark matter, the second...
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Say Cheese: Astronomers Aim To Take First Picture of Black Hole
Taking a picture of a black hole, an object so gravitationally bound that not even photons of light can...
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Moroccan Rock Came from Mars
A hail of Martian meteorites crashed to Earth last July, and collectors and scientists around the world are snapping...
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Volunteers Wanted for Planet Hunt
Members of the public are being asked to join the hunt for nearby planets that could support life.Volunteers can...