Could Venus hold the key to extraterrestrial life? This video examines recent discoveries and debates surrounding the possibility of life in the planet’s harsh atmosphere. Is there more to Venus than ...

Six of our cosmic neighbors are expected to line up across the night sky tonight, in what has been dubbed a "planetary parade ...

This month, six of the planets will be visible in the night sky in an event called a planetary parade. Here’s how kids can ...

Stargazers will be treated to a rare seven-planet alignment in February. This is what scientists hope to learn.

Alignments of five or more planets are rare—there will be two more featuring five or more planets this year, but after that ...