New York City's skyline looked a little darker Saturday night without the Empire State Building's lights. Its famous tower ...

Earth Hour was marked across the world on Saturday with lights switched off in cities such as Paris, New Delhi, London, ...

A period of peak magnetic storms on the sun could lead to another show of northern lights on Earth on Saturday and Sunday, ...

In an inspiring display of commitment to sustainability, Quezon City government has announced its plans to spearhead Earth ...