Researchers discover a microbe living at -15°C, the coldest temperature ever reported for bacterial growth, giving hope to the search for life elsewhere in the cosmos.
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The activity of one type of immune cell helps regrow the limbs of amputated salamanders.
The essential nutrient can kill drug-resistant Mycobacterium tuberculosis by producing oxidative radicals that damage DNA.
A new class of immune cell could protect against type 1 diabetes by suppressing other immune cells.
The Asian harlequin ladybird carries a biological weapon to wipe out competing species.
A new technique could soon spur unprecedented insight into the role of bacterial epigenetics in the evolution of pathogen virulence.
Symbiotic fungi on the roots of bean plants can act as an underground signaling network, transmitting early warnings of impending aphid attacks.
The decline of a population of Arctic foxes isolated on a small Russian island may be due to mercury pollution from their diet of seabirds and seals.
Desulfobulbaceae bacteria were recently discovered to form centimeter-long cables, containing thousands of cells that share an outer membrane.
USC researcher Mohamed El-Naggar demonstrates how some bacteria grow electrical wires that allow them to link up in big biological circuits.
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