Watch to see where Earth's major events would fall on a timeline stretching across the US. Produced by Alex Kuzoian Follow BI Video: On Facebook More from Science The Earth is really, really old.

Their alignment in the night sky, however, depends on the orbit and position of each planet as seen from Earth. While two or ... Get the best tech, science, and culture news in your inbox daily.

The alignment of seven planets in the night sky has captivated observers ... multiple planets appear in the same region of the sky from Earth’s perspective. While these alignments are more ...

Four bright planets are visible together in the night sky this month in what NASA calls a "planetary parade" that is a must-see for stargazers. Venus, Mars, Jupiter and Saturn will each take a ...