Chinese radar has detected mysterious plasma bubbles hovering over Egypt’s Pyramids from 5,000 miles away.

The payload Russia's military chose to launch on the Angara A5 is unusual. The rocket deployed its primary passenger, Kosmos ...

Over the past two centuries, humans have locked up enough water in dams to shift Earth's poles slightly away from the ...

Kariba Dam, built on Zambezi River between Zimbabwe and Zambia in the 1950s, impounds the largest artificial reservoir in the ...