For hundreds of years, Andean people recorded information by tying knots into long cords. Will we ever be able to read them?

Aurora fans might get lucky all across the western edge of the United States tonight. The “view line” for Tuesday’s aurora ...

Former Russian president Dmitry Medvedev has warned that Russia would end up occupying almost all of Ukraine if it continued ...

A bill would establish “Texas Time,” or permanent daylight saving time in the state, if federal lawmakers later allow states to do so.