Earth is the planet we have the best opportunity to understand in detail—helping us see how other rocky planets behave, even ...

The Earth’s crust is constantly rewritten by volcanoes, erosion, and plate tectonics. New crust is being created while old ...

The crucial manoeuvre scheduled for Friday will use the gravity of Mars to shift Psyche onto the right path, a faster and ...

Data analyzed by UChicago scientists reveals exoplanet Kua’kua is dark and rocky, offering clues to search for habitable ...

New research suggests that many planets previously considered promising for life may, in fact, be far less hospitable. A distant planet might sit in the perfect orbit for life, with temperatures just ...

Watch this video to find out more about the Earth, planets in our Solar System and other planets far off in outer space. From up here on the International Space Station I get a great view of Earth.

The rusty world is full of mysteries—and some of the solar system's most extreme geology. Learn more about Earth's smaller, colder neighbor.