A major earthquake struck Indonesia on Wednesday — initially categorized as magnitude 7.4 before being downgraded to 7.0 by geological officials.

A new study suggests that 90 billion barrels of recoverable oil and 1,670 trillion cubic feet (Tcf) of natural gas lies undiscovered underneath the sea ice of North...

What has happened over the past couple of decades that has landed the mighty polar bear on the “threatened” list under the Endangered Species Act?...

California faces an almost certain risk of being rocked by a strong earthquake by 2037, scientists say. New calculations reveal there is a 99.7% chance a magnitude 6.7...