A distinctive blue and green image of Earth reveals our planet's most remarkable features. At 4.54 billion years old, our home world is a venerable object. But it was only with the arrival of the ...

Satellite imagery provides a unique perspective on our planet and can encompass a wide ... Every week, we take a bird's eye view of Earth, and see how it affects the people living on it.

The Earth and Moon system we see today was formed when Theia, an ancient planet about the size of Mars ... nodal precession about the Earth-Moon eccentricity vector and Kozai-Lidov oscillations ...

An asteroid gaining notoriety for its potential to collide with Earth in 2032 was estimated Tuesday to have roughly a 3% chance of striking our planet — the highest probability ever assigned ...

As observations of the asteroid continued to be submitted to the Minor Planet Center, experts at NASA Jet Propulsion Laboratory’s (JPL's) Center for Near-Earth Object Studies were able to ...