Recent advances in astronomical observations have found a significant number of extrasolar planets that can sustain surface water, and the search for extraterrestrial life on such planets is gaining ...

The basic idea behind gauging the health of plants from orbit ... a digital camera and adding a ‘superblue’ filter, the NDVI can be calculated with just a little bit of image processing.

The last five years had higher NDVI values compared to the previous two decades. This suggested that increased plant growth could support prey for a traveling spotted hyena. Sign up for Chip Chick ...