One of the greatest scientific discoveries in history may be hidden beneath nearly 13,000 feet of Antarctic ice. Deep below the frozen surface lies Lake Vostok, a massive freshwater lake that has ...

Earth’s neighbor still has secrets that science is trying to figure out, and one of them is potential signs of life.

Letters: Readers offer their explanations for the absence of hard evidence for extraterrestrial civilisations, in response to an article by Adam Kirsch ...

Given the size and age of the universe, it should be full of species with technology far more advanced than our own. But so far there is no trace ...