Exit strategy Artist’s impression of New Horizons as it flew past Pluto in 2015. (Courtesy: Johns Hopkins University Applied Physics Laboratory/Southwest Research Institute) NASA’s New Horizons ...

In past columns we have talked about using the stars to navigate upon the Earth and we have also discussed how some stars become pulsars which emit periodic bursts of radiation in the form of radio, ...

Each spring, billions of bogong moths fill southeast Australia’s skies. Fleeing the lowlands and trying to beat the heat, they fly roughly 600 miles to caves embedded in the Australian Alps. The moths ...

Bogong Moth is a night flying moth. Endangered species in Australua and declining population since 1980's because of droughts in the regions where their lavae grow© Nancy Husband/Shutterstock.com ...