More than 40,000 people are expected to attend the global climate change summit as questions swirl about the United States' ...

Since its inception on April 29, 1999, NASA's Earth Observatory (EO) has published over 18,000 image-driven stories, ...

SEATTLE — For the second year in a row, Earth is on track to set a new record for hot weather. According to the European ...

Climate scientists have long identified 1.5º of global temperature rise as a grave milestone for avoiding disaster ...

The new study suggests that the planet experienced a swift and intense melting phase following the last global ice age. At ...

From time to time, when Earth's tectonic plates shift, the planet emits a long, slow belch of carbon dioxide. In a new ...