If you've seen a world map or travelled to Australia then you'll know just how far away it is from other continents - but ...

The longest walking route in the world leads to an impressive path that crosses two continents and stretches to over 14,000 kilometers. This adventurous journey traverses arid landscapes ...

Climate change and the developments it spurs carry the narrative of the Quaternary, the most recent 2.6 million years of Earth's history. Glaciers advance from the Poles and then retreat, carving ...