Christine Walsh

Though 70% of the Earth is covered in water, only about 2.5% is fresh. Even worse, only 1% of the fresh water is readily accessible, the rest being trapped in glaciers or deep u...

In July 2014, a helicopter pilot flying over Northern Russia's remote Yamal Peninsula came across a massive crater in the thick, permanently frozen subsurface layer of soil know...

In the past, archeological artifacts have been discovered either through big digs based on earlier finds or accidentally - during a road or building construction project. Now, s...