A new study reports the first global assessment of the extent of snow and ice cover on Earth's surface -- a critical factor cooling the planet through reflected sunlight -- and its response to warming ...

Investigations into the exoplanet K2-18b have revealed that the distant world could harbor the right conditions for life to exist. Last year, the planet—which is located around 124 light-years away in ...

Eleven years ago today, NASA made an intriguing announcement. Using the Kepler space telescope, the agency had discovered an exoplanet the size of Earth located in the habitable zone of another star.

Earth’s been around for a long time. And during its tenure as a planet, has been slammed with a lot of cosmic objects; the largest of which left massive craters in their wake. In a new size comparison ...

Earth’s been around for a long time. And during its tenure as a planet, has been slammed with a lot of cosmic objects; the largest of which left massive craters in their wake. In a new size comparison ...