Your Guide to Witnessing the Biggest, Brightest Mars in Over Six Years

On April 8th, Earth will soar between the Sun and Mars. When it does, the Red Planet will reach what astronomers call "opposition" in the night sky. Just a few days later, Earth will be closer to Mars than it's been in more than six years – and during a total lunar eclipse! Here's how to watch. » 4/04/14 11:48am 4/04/14 11:48am

Make your own space porn this weekend as Mars comes in for its closeup

Once roughly every two years and two months is the Mars opposition, when Mars and Earth line up in their revolutions around the sun. This is a rare opportunity to see Mars as it makes its closest approach to the Earth. It's time for some amateur space porn. » 3/03/12 5:30pm 3/03/12 5:30pm

US Armed Forces Listened for Messages from Mars

In 1924, Earth saw its closest Mars opposition in over a century, and some thought our Martian neighbors might use the event to attempt contact. So for one night, US Naval and Army stations scanned the skies for extraterrestrial transmissions. » 11/08/09 3:00pm 11/08/09 3:00pm