Earth, our home planet, is a world unlike any other. The third planet from the sun, Earth is the only place in the known ...

Our planet was about 195 million miles away from Mars when the pictures were taken.

The discovery boosts the chances of finding extraterrestrial life.

We like to think of our home as a nice, smooth sphere. But mapping the Earth’s gravitational field provides a different view ...

A set of engineered safeguards could protect Earth's habitability for 9.1 quadrillion years, according to new research.

In a major milestone in the search for life on other planets, astronomers have detected, for the first time, an atmosphere ...

Researchers have found an Earth-like, rocky planet orbiting within the habitable zone of a distant star with an atmosphere.

Narrated by Sir David Attenborough, the popular nature docuseries is now airing on BBC America. By Rudie Obias If you purchase an independently reviewed product or service through a link on our ...

About 50 billion rogue planets are roaming the Milky Way with no host star to hold on to, some of them three times bigger ...

Scientists have found a planet about 25 light-years from Earth that could offer a valuable nearby case in the hunt for life ...

Are eight billion humans too many for planet Earth? As we reach this milestone on November 15, most experts say the bigger problem is the overconsumption of resources by the wealthiest residents.