"Death Star" Galaxy Found Blasting Sm  A composite image (top) shows a never-before-seen spectacle: a "Death Star"...
Genetically Engineered Mice Don't Fea  A genetically modified mouse sniffs a cat in Tokyo in an undated photo. Us...
Fertilized Microbes Make Natural Gas   Tar sand deposits in Alberta, Canada—such as those pictured—could produce...
Top Ten News Stories of 2007 A dinosaur "mummy," mass plague graves in Venice, and a stone box that might ...
Building Blocks of Life Formed on Ear  A chunk of 4.5-billion-year-old Martian rock was found in 1984 in the Allan...
Sea Lice From Fish Farms May Wipe Out  An explosion of sea lice from fish farms has been infecting young pink salm...
Ancient Meat-Eating Fungus Found Trap  A nematode worm discovered in an ancient lump of amber may have been the pr...
Saturn's Rings as Old as Solar System  An artist's illustration shows a close-up view of ring particles against th...
Northern Lights Controlled by Magneti  An artist's conception of an aurora (red and green stripes) appears over a ...
Weak Mars Rover Struggling to Find Wi  Now you see it, now you don't. Recent storms covered the Mars rover Spirit...

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