Just before dawn tomorrow, look up for a moment of cosmic joy. Rare cosmic events can feel like being smiled down upon from ...

Well, in the predawn hours of April 25 it literally will be thanks to a double conjunction that will see Saturn, Venus and ...

Google's latest Doodle, "Rise of the Half Moon," celebrates April's last half moon with an interactive card game. Players ...

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