Mercury is due to join Venus and Jupiter in the night sky for an uncommon celestial event commonly known as a planet parade.

Venus, Jupiter and Mercury are due to form a planet parade in June visible in Arizona and across the US. Here's everything to know.

This weekend, a rare six-planet "alignment" will be visible to stargazers — and Californians may have some of the best viewing conditions, with clear Central Valley skies making this one of the better ...

Humanity has been gazing at the stars for millennia, trying to decipher their mysteries. Their periodic changes in the night sky have been tracked throughout the generations, looking to understand ...