Arctic amplification is the intense warming in the Arctic. Greenhouse gases raise air temperatures, melting sea ice and thawing permafrost and initiating a feedback loop accelerating climate change.

The Conversation asked Massimo Ruzzene, senior vice chancellor for research and innovation at the University of Colorado Boulder, to explain how these cuts and freezes are impacting the university he ...

Rescuers are hailing as a “four-legged hero” a furry Chihuahua whose pacing atop an Alpine rock helped a helicopter crew find ...