Venus is the brightest 'star' in the night sky and it has been observed since ancient times. Often dubbed Earth's 'twin', it is the planet most similar to the E

The final orbit of Venus by the Magellan spacecraft in October 1994 brought to a close an exciting period of Venus reconnaissance and exploration. The scientifi

A leading Venus researcher explains in a friendly non-technical style what we know through our investigations of Earth's 'twin' planet.

Published by the American Geophysical Union as part of the Geophysical Monograph Series, Volume 176. With the search for extra-solar planets in full gear, it ha

What do we know about Mars? What remains to be understood? Is there evidence of life there? Will humans ever travel there? The dream of exploring Mars has been