Nations were poised to approve the first fee on pollution from ships. That’s when the Trump administration began the threats.

Colorful northern lights may be seen across more than 20 states Thursday and Friday nights as a strong geomagnetic storm ...

A slew of changes to federal health care policies are stressing cash-strapped rural hospitals as climate change spurs extreme ...

Doctor after doctor misdiagnosed or shrugged off Ruth Wilson’s rashes, swelling, fevers and severe pain for six years. She saved her life by begging for one more test in an emergency room about to ...