News
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EarthSolar changes help create cold northern winters
Fluctuations in ultraviolet light can set up frigid, snowy conditions across parts of the Northern Hemisphere.
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SpaceSaturn’s rings tell a comet’s tale
Ripples made by a celestial impact 600 years ago can still be seen today.
By Nadia Drake -
LifeWhen snowpack shrinks, elk can binge on aspen
As winters warm in the Rockies, majestic grazers may be threatening iconic Western tree.
By Susan Milius -
LifeStem cell advance uses cloning
A method that uses eggs to do genetic reprogramming is successful in humans.
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HumansInca takeovers not usually hostile
Skeletal evidence suggests that war was not the answer for Inca imperialists.