The delivery timelines for First-Class post can stretch from as few as two days to as many as five, depending on where you're ...

Hurricane Erin is barrelling across the Atlantic Ocean, with speeds of up to 160mph, and new maps from forecasters show exactly where the monster storm could hit next ...

Northern lights could be visible in Alaska and Canada on July 23. Northern parts of the contiguous U.S. have a lower shot at seeing aurora borealis.