Mercury, Venus, and Mars sit within the same general neighborhood as Earth, yet each has followed a radically different path. One kept a magnetic field against the odds. Another trapped so much heat ...

From its vantage point high above Earth’s atmosphere, NASA’s Hubble Space Telescope has completed this year’s grand tour of the outer solar system – returning crisp images that complement current and ...

ESS2.C: The Roles of Water in Earth’s Surface Processes Water is found in the ocean, rivers, lakes, and ponds. Water exists as solid ice and in liquid form. ESS2.A: Earth Materials and Systems (3-5) ...

Add Yahoo as a preferred source to see more of our stories on Google. May 18—Some time ago, in a galaxy not so far away, Gainesville space travelers took regular walking tours of the solar system ...

The solar system walking tour was developed with the help of a multidisciplinary team that included about 10 graduate researchers who helped write and edit the information on the signs. The display ...

Welcome to “Tour the solar system.” In this series, we give you an overview of the objects in our stellar neighborhood. This video focuses on Neptune, the most distant planet from the Sun. Yes, ...

Asteroids are rocky objects in our solar system, but they’re too small to be considered planets. They range in size from 30 feet across (10 meters) up to about 600 miles (970 kilometers), and most ...

W. Wayt Gibbs is a contributing editor for Scientific American based in Seattle. He also works as a scientific editor at Intellectual Ventures.