Liberty Media's takeover of Formula One promises a long-term strategy for the cash-rich sport with a sharper focus on new media markets and another attempt to expand in North America. The deal, valued at $8 billion including debt, gives an American media and telecoms business effective...

North Korea conducted a fifth ever nuclear test Friday morning, described by South Korea’s Joint Chiefs of Staff as the reclusive state’s “biggest-ever” with a yield reaching 10 kilotons. The amount is almost double what Pyongyang claimed was a hydrogen bomb earlier this year....

Evenings across the U.S. this summer were balmier than any other summer since records began in 1895, the National Oceanic and Atmospheric Administration (NOAA) said in a report Thursday. NOAA defines summer as the three-month period between June and August in which the average low...

The U.S.-led war on Islamic State has depleted the group's funds, leadership and foreign fighters, but the biggest battle yet is expected later this year in Iraq's northern city of Mosul, where Abu Bakr al-Baghdadi declared his "caliphate" two years ago. The jihadist insurgents have lost...