The idea of seven continents has never been based on science — it’s a leftover tradition that ignores how landmasses actually ...

An analysis of feldspar crystals within the oldest magmatic rocks in Australia has provided a unique insight into Earth's ancient mantle and continents, and the early beginnings of the moon.

Two-time Olympic marathon champion Eliud Kipchoge says he'll run seven marathons on seven continents over the next two years ...

When you think of deserts, you might envision isolated wastelands confined to single nations. Yet the world's most massive ...

The federal government’s $4.5 billion “Smart Wall" project will add hundreds of miles of high-tech border security, including ...