After 14 years, first COSMIC satellite mission comes to an end

The last of six tiny satellites that were rocketed into space 14 years ago—and then went on to prove that the wealth of accurate atmospheric data that can be gleaned from existing GPS signals can improve operational weather ...

Scientists develop tool to sequence circular DNA

A new tool invented by University of Alberta biologists to sequence circular DNA will provide scientists with richer, more accurate data that could help advance research on viruses, agriculture and perhaps even cancer.

Geolocators give new insights into nesting behavior of godwits

To find out more about birds such as the black-tailed godwit, ecologists have been conducting long-term population studies using standardized information on reproductive behaviour—such as dates of egg-laying or hatching ...

New map of Milky Way reveals giant wave of stellar nurseries

Astronomers at Harvard University have discovered a monolithic, wave-shaped gaseous structure—the largest ever seen in our galaxy—made up of interconnected stellar nurseries. Dubbed the "Radcliffe wave" in honor of the ...

Which city is most polluted? No one knows

On any given day, a news story might list a city in India as "most polluted." In another story, a city in China may have held the distinction. Then again, maybe Iran hosts the most polluted city in the world, as a recent ...

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