Launched in 1972, the failed Venus probe has been stuck in Earth orbit ever since. Now it's hurtling back down to Earth.

The morning of April 24 will give rise to a striking mini-planetary parade, as Mercury, Venus, Saturn, Neptune, and Earth's ...

To spot the celestial 'smiley face,' skywatchers in the U.S. will need a clear view of the eastern horizon in the hour ...