The enchanting dunescape stretches over 43 miles (70 km) along the coast and over 30 miles (50 km) inland. Lençois translates ...

Planet Earth is about the size of a speck of ... but there's one that stands out as the darkest and that's the 'dark forest hypothesis'," she says. "It states that there probably is a lot of ...

As of January 2012, the tally of confirmed alien worlds has skyrocketed to just over 720. However, the hunt is still on for a truly Earthlike planet, one with the right size, temperature ...