Engineers confirm that construction is underway on an underwater rail line designed to connect entire continents through a vast deep sea tunnel
Buried beneath 2 kilometers of Antarctic ice, scientists uncover a 34-million-year-old lost world frozen in time
Eclipse of the century: nearly six full minutes of darkness, when it will happen, and the best places to watch mapped out
Psychology explains that overthinking at night is closely linked to how the brain processes unresolved emotions