"A strong magnetic field is very important for life on a planet." ...

Exhaust from lunar landers drifts across the moon and contaminates ultra-cold polar craters that are rich in ancient ice and ...

Astronomers have long searched for life within a rather narrow ring around a star, the "habitable zone," where a planet ...

Our planet is unique for its ability to sustain abundant life. From studies of the rock record, scientists believe life had already emerged on Earth at least 3.5 billion years ago and probably much ...

Exoplanets like Earth have been discovered but not all Earth-like planets are equal when it comes to alien life.

It was long thought, up until recently, that asteroids and comets delivered Earth's oceans during the very early Solar System ...

“The presence of liquid water [on Mars] is a broad topic that includes rains, rivers, lakes, as well as oceans,” says Ezat ...

Nitrogen, upon which all life on Earth depends, may hold the key for explaining how early life on the planet evolved and how it could evolve on other planets.

New research suggests that essential components of life may assemble in interstellar space long before planets or oceans ...

For many years, astronomers have been looking for extraterrestrial life. In doing so, astronomers have narrowed their search ...

When astronomers announced Kepler-452b, they were not just adding another distant world to a growing catalog. They were ...

NASA’s Kepler telescope has identified Kepler 452b, the most Earth like planet ever discovered, orbiting in the habitable zone of a sunlike star. This video explains why the find is so important, how ...