Ever since humans gazed at the night sky, we’ve been drawn to that tiny reddish dot hovering above. Mars has captivated our ...

Part of the Tristan da Cunha group, Inaccessible Island has no permanent human settlement. Steep cliffs and a dangerous ...

Mars looks familiar from afar, but surviving there means creating a protective oasis in a hostile world. Instead of shipping ...

Will a human ever celebrate a 150th birthday? You bet, says Stephen Austad, a biology of ageing researcher at the University of Alabama at Birmingham. Austad is so sure that life expectancy is poised ...

First, what is an ice age? It’s when the Earth has cold temperatures for a long time – millions to tens of millions of years – that lead to ice sheets and glaciers covering large areas of its surface.