The California redwoods are a stunning landmark in their own right, but nestled in the forest is one bizarre, unexplainable ...

Russia has quietly taken a bold step toward solving one of spaceflight’s oldest problems by patenting a space station design ...

Gravity used to be the most down-to-earth of ideas, the thing that kept apples falling and planets in line. Now a growing ...

Scientists warn that the plate beneath Gibraltar arc will begin to shift toward the Atlantic within 20 million years.