I’m really happy to be out here,” Carl Tape says as he stands on a pyramid of dry gravel, 20 feet high. “I’ve been thinking about this ...

Humanity lives on a thin edge: we barely scratch beneath the crust of our planet and routinely travel only within less than ...

Families of missing loved ones face a unique and agonizing grief called ambiguous loss. Experts explain this as the pain of ...

The launch of world's most expensive earth observation satellite mission, NISAR is scheduled for July 30. What makes it ...