In this video, the JKrew attempts to fix store-bought slime that is 5 years old. The challenge includes two rounds of fixing slime within a time limit. Watch to see who can successfully revive the old ...

Researchers have retrieved samples of 1.4 billion-year-old air from ancient crystals and found something surprising about a supposedly “boring” time period. The team studied the gases and fluids ...

Analysts say the Cold War agreement allows the president to increase the American military presence almost at will. By Jeffrey Gettleman Amelia Nierenberg and Maya Tekeli Maya Tekeli reported from ...