China and Russia, America’s top two global adversaries, are working together as never before, probing the defenses of the U.S. and its allies.

For example, Jupiter is the most massive planet in our solar system. It’s so big, it could swallow 1,000 Earths. So it ...

Midori Kato is the last original member of the cast of “Sazae-san,” a cartoon series that premiered in 1969 and never quite joined the modern world. Lena Schilling, the youngest lawmaker in ...

Australia may seem like a stable landmass, but it’s slowly creeping northward, heading straight for Asia at a surprising speed. Scientists say the continent is drifting at 2.8 inches (7 cm) per ...