Efforts to resolve the conflict between Russia and Ukraine is gradually taking on a substantive character. Donald Trump's ...

The U.S. military is reviving an old Soviet-era concept with a new, cutting-edge aircraft—the Liberty Lifter. Designed to skim just above the ocean’s surface using the ground effect, this massive ...

Buried several miles beneath East Antarctica's ice, Lake Vostok is one of the largest freshwater lakes on Earth, rivaling ...

Los Angeles, which suffered from devastating fires a month ago, is now facing landslides and floods after heavy rains, ...