The Earth's climate is in a constant state of change based on its position relative to the sun. This relationship means that ...

Paleoclimate and archaeological evidence tells us that, 11,000-5,000 years ago, the Earth's slow orbital 'wobble' transformed today's Sahara desert to a land covered with vegetation and lakes.

Traveling over our heads at hypersonic speeds beyond Mach 7, lies the future of spy plane technology. It can be anywhere in ...

She is currently touring Australia, hosted by the Australia Western Sahara Association (AWSA). She is interviewed by Green Left's Tony Iltis. Video by Zebedee Parkes.