The solar system may hold a hidden surprise. Astronomers are investigating the possibility of a mysterious ninth planet, often referred to as Planet Nine. If found, this discovery could change the ...
Stargazers will be treated to a dazzling six-planet "alignment" this January.
Venus, Saturn, Jupiter and Mars are all visible after sunset, but social media claims about it being a rare "planetary ...
Six planets will form a rare planetary alignment in the night sky on Jan. 21; here is everything you need to know about the ...