The four astronauts safely splashed down in the Pacific Ocean after travelling further from Earth than any humans before.

Tracking The Right Global Warming MetricWhen it comes to climate change induced by greenhouse gases, most of the public’s ...

Tanner Horner pleaded guilty to capital murder and aggravated kidnapping for strangling Athena Strand to death in November ...

A two-week cease-fire between the United States and Iran appeared to be largely holding on Wednesday, as both sides claimed victory amid deep uncertainty about plans to fully reopen the Strait of ...