Astronomy fans got to see a planetary alignment in mid-April featuring Venus, Saturn, Mercury and Neptune. Stargazers will once again be treated to a planetary alignment in May, though not as big as ...

Wisconsin astronomy enthusiasts should keep their eyes in the sky Friday night. Seven planets will be aligning and you might be able to see some without a telescope. Planetary alignments occur when ...

Four planets will be in the parade in January, while seven will align in February. Here's how to see the events.