Scientists at the University of Miami warn that the world's oceans are teeming with 'giant viruses', also known as giruses.

Humans freezing themselves for another chance at life is happening in Australia and overseas right now. Thousands more have ...

Melting ground has caused trees to tilt or fall. "Because permafrost melts, it causes a lot of erosion," says James, who lives in Arctic Village, a small Native American village in northeastern ...

As permafrost laced with buried ice thaws, the ground collapses, forming craters or lakes. This story appears in the September 2019 issue of National Geographic magazine. Sergey Zimov, right ...

The global level of CO2 has reached the point dreaded by scientists. It will have unprecedented effects worldwide on ...