UNITED NATIONS -- Leader after leader told the United Nations on Monday that they will do more to prevent a warming world from reaching even more dangerous levels. But as they made their pledges at ...

CNN projects Democrat Adelita Grijalva will win a US House special election in Arizona, which will deliver the decisive signature to the push for a vote to release the Jeffrey Epstein case files. The ...

While other Democrats have gone silent on climate change, Whitehouse keeps pushing to help voters understand the stakes. Here's why.

NEW YORK — President Donald Trump used his speech at the United Nations General Assembly’s session on Tuesday in New York City to criticize the international organization’s focus on migrants and ...

Former Prime Minister Justin Trudeau and his former climate change cabinet ministers — Catherine McKenna, Jonathan Wilkinson ...

Climate protesters have grown more confrontational in recent years, experts say, including publicly cataloging energy sector leaders and conservatives as "climate criminals," staging disruptive ...

The world’s first commercial space station is getting closer to launch. NASA is working with private companies to develop a modern successor to the aging International Space Station as its lifespan ...