In his California laboratory, Ralph Keeling examines a graph created from data his father began collecting that keeps a ...

A discovery by NASA's space telescope led astronomers to claim the "strongest evidence yet" of alien life has been uncovered ...

Concerns arose in early March when Elon Musk's so-called Department of Government Efficiency recommended cancelling the lease ...

There are indicators of impending catastrophe as well as reasons for hope 55 years after we first celebrated Earth Day, ...