Comet Siding Spring whizzes past Mars (Update)

A comet the size of a small mountain and about as solid as a pile of talcum powder whizzed past Mars on Sunday, dazzling space enthusiasts with the once-in-a-million-years encounter.

Imaging electric charge propagating along microbial nanowires

The claim by microbiologist Derek Lovley and colleagues at the University of Massachusetts Amherst that the microbe Geobacter produces tiny electrical wires, called microbial nanowires, has been mired in controversy for a ...

Major breakthrough could help detoxify pollutants

Scientists at The University of Manchester hope a major breakthrough could lead to more effective methods for detoxifying dangerous pollutants like PCBs and dioxins. The result is a culmination of 15 years of research and ...

Improved electricity access has little impact on climate change

Improving household electricity access in India over the last 30 years contributed only marginally to the nation's total carbon emissions growth during that time, according to a new study published in the journal Nature Climate ...

All robotic eyes on comet for Mars flyby

All eyes on Mars—robotic or otherwise—were focused toward a comet the size of a small mountain set to whiz past the Red Planet on Sunday.

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