Venus will be the easiest planet to spot — often called the "Evening Star," it shines brighter than any other planet in the night sky. Jupiter will appear close by, while Mercury will sit lower on the horizon and may be harder to locate due to the lingering twilight glow.

Venus, Jupiter and Mercury are due to form a planet parade in June visible across the US. What to know, including the date and time and where to look.

As it turns out, the conditions that set Venus and Jupiter up for their conjunctions in the sky are the same that are critical for life to survive on Earth.