To observers from outer space, Earth's vast oceans and verdant landmasses make it appear as a blue world punctuated by green ecosystems. It's the only habitable world we humans have ever known, so of ...

Science fiction films have shaped our collective imagination into believing that any planet harboring extra-terrestrial life would look like a lush green utopia, somewhat like Earth. But fresh ...

NASA has already spotted a diversity of rocky, Earth-like worlds in the cosmos. But unlike our verdant planet, many of these worlds may flourish with purple life — if life exists out there, that is.

Stephen has degrees in science (Physics major) and arts (English Literature and the History and Philosophy of Science), as well as a Graduate Diploma in Science Communication. Stephen has degrees in ...