Typically, as the days get colder and shorter during autumn, leaves are exposed to less sunlight. This slows down the ...

The highest city in the world is perched on a frozen glacier at 16,730ft. La Rinconada is in the Peruvian Andes, 5,100 metres ...

The Great Blue Hole is a large marine sinkhole in the Caribbean Sea, some 70 kilometers (43 miles) from the coast of Belize.

The Ramses mission would rendezvous with the infamous asteroid Apophis during its 2029 close approach to Earth.

Climate change could wipe out monarchs' winter habitats by 2090, but an ‘assisted migration’ strategy aims to build new ...