Life Might Spread Across Universe Like an 'Epidemic' in New Math Theory
Panspermia Illustration
September 1st, 2015
As astronomers get closer to finding potential signatures of life on faraway planets, a new mathematical description shows how to understand life's spread — and to determine if it's jumping from star to star.
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Has Stephen Hawking Just Solved a Huge Black-Hole Mystery?
This artist's concept shows a black hole's surroundings, including its accretion disk, jet and magnetic field.
August 26th, 2015
Hawking and two colleagues propose that information isn't destroyed at the heart of a black hole; it's stored at the black hole's boundary in holographic form.
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'Eiffel Tower' Prominence Towers Over The Sun
Eiffel Tower prominence on sun
August 18th, 2015
An astrophotographer spotted a beautifully-formed solar prominence that looks like a giant version of the famous Parisian landmark.
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Mars Hoaxes: Why We Believe
Image that accompanies a widespread hoax email.
August 27th, 2015
Mars is not going to look as big as the moon in the night sky. But the fact that we want it to may say something about us.
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If Pluto Keeps Spewing Nitrogen, Why Is It Still Full of It?
Pluto's Backlit Atmosphere
August 20th, 2015
Something mysterious is happening on the surface of Pluto: No matter how much nitrogen the atmosphere releases into space, it's still chock-full of the stuff. New work examines the possible culprits for the stealthy nitrogen resupply.
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'Best Meteor Shower in Years': Perseids Put on a Spectacular Show
2015 Perseid Meteor Shower in the Danish Sky
August 14th, 2015
The moon posed no obstacle as the Perseid meteor shower peaked last night, giving skywatchers the best views of shooting stars in years — even in areas that normally have too much light to see a thing. And the show will be back on tonight, although there
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Astronauts Snack on Space-Grown Lettuce for First Time
NASA astronauts Scott Kelly (left) and Kjell Lindgren (center) with Kimiya Yui of JAXA snack on freshly harvested space-grown red romaine lettuce as part of the Veggie experiment.
August 11th, 2015
For the first time (at least officially), NASA astronauts on board the International Space Station have tasted the product, or produce, of their work. They chomped on the lettuce freshly harvested from the Veggie growth system.
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Mars Hoaxes! 6 Stubborn Red Planet Conspiracy Theories
Mars Hubble Photo
August 27th, 2015
Here are some misconceptions about Mars that just won't die.
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No Asteroid Is Threatening to Hit Earth Next Month, NASA Says
Dangerous Asteroid: Artist's Concept
August 20th, 2015
For the last few months, rumors have circulated that a big asteroid will slam into Earth near Puerto Rico between Sept. 15 and Sept. 28, wreaking widespread destruction. Don't believe the hype.
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Found! 'Young Jupiter,' the Smallest Exoplanet Directly Seen by Telescope
Exoplanet 51 Eridani b
August 14th, 2015
Astronomers have detected the smallest alien planet yet to be directly photographed by a telescope on Earth, a methane-shrouded gas giant much like a young Jupiter. The planet 51 Eridani b orbits a star 96 light-years from Earth and resembles a young Jupi
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