Scorpius, a constellation in the Southern Hemisphere and the eighth sign of the zodiac. (The sign of the zodiac is known as Scorpio.) From the mid-north latitudes the constellation can be seen in the south during summer. The bright, reddish star Antares is the brightest star in Scorpius.
After Viking 1 captured images of what looked like a face on Mars, the public began to speculate. Had Martians carved a colossus, or was there another answer?
We can't defy the odds of an asteroid taking a turn for Earth forever, so the world's astronomers watch the sky. What happens once they spot something?