News
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AstronomyKepler’s surprise: Planet hunter also found supernovas
NASA's now-defunct Kepler space telescope captured five stellar explosions as they happened.
By Andrew Grant -
AgricultureSome bioenergy crops are greener than others
In the Upper Midwest, switchgrass trumps maize at boosting ecological health.
By Beth Mole -
AstronomyGalaxies’ missing mass may hide in gas clouds
Vast reservoirs of previously undetected gas could account for much of galaxies’ matter, solving a cosmic mystery.
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AstronomyEnormous cosmic lens magnifies supernova
Galaxy warps light of distant exploding star, greatly increasing its brightness.
By Andrew Grant -
LifeMarine microbes shed packets of DNA, nutrients
The world’s most abundant marine microorganism, the photosynthetic bacteria Prochlorococcus, spits out nutrient-rich vesicles into ocean waters, perhaps for genetic exchange or as a survival mechanism.