23/09/2016

How to see the doomed Tiangong-1 Chinese space station

China's first space station, Tiangong-1, is expected to fall to Earth sometime in late 2017. We've known for several months that the orbital demise of the 8-metric ton space station was only a matter of time. But Chinese ...

Lemur poop could pinpoint poaching hotspots

When Tara Clarke went to Madagascar this summer, she packed what you might expect for a trip to the tropics: sunscreen, bug spray. But when she returned seven weeks later, her carry-on luggage contained an unusual item: ten ...

Meteorological versus astronomical seasons

You may have noticed that meteorologists and climatologists define seasons differently from "regular" or astronomical spring, summer, fall, and winter. So, why do meteorological and astronomical seasons begin and end at different ...

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