Another two aircraft also received such threats on Thursday, bringing the total number of warnings in four days to 20.

A Reddit user found a 'mysterious doorway' in the middle of a mountainside in Antarctica, sparking a social media frenzy.

The two largest spills, totaling 5 million gallons, happened at the Glendale Wastewater Reclamation Facility in southeast ...

Security agencies and police forces in different parts of the country are probing the threats and trying to trace and nab ...