News
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Among stars, heavyweight champ
Stellar record-holder weighs in at 265 times mass of sun.
By Ron Cowen -
PaleontologyOldest dog debated
A fossil jaw may, or may not, come from the oldest known example of man’s best friend.
By Bruce Bower -
Planetary ScienceHole from on high
Researchers discover a fresh meteorite impact crater using Google Earth.
By Sid Perkins -
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AnimalsFearless tadpoles give invaders the edge
Clueless larvae don’t heed the scent of nonnative turtles, giving newcomers an edge over native species, a European study finds.