David Bressan is a geologist who covers curiosities about Earth. Over the past 2 billion ... the world's continents eventually merge to form one hot, dry and largely uninhabitable landmass.

The Earth tugs the sun around at only one-tenth walking speed, or about the rate that an infant can crawl; astronomers cannot yet prize out so tiny a signal from the light of a distant star.

Earth and its ecosystems are our common home ... When we realise that there is #OnlyOneEarth that supports life, that there is only one planet that offers us space to dream, aspire, and create ...

With a radius of 3,959 miles, Earth is the fifth largest planet in our solar system, and it's the only one known for sure to have liquid water on its surface. Earth is also unique in terms of ...