Earth Day is on Tuesday, April 22, this year. The annual observation is set aside to increase awareness around environmental ...

This rare alignment will delight stargazers. On Thursday, April 24, and Friday, April 25, Venus, Saturn, and the crescent ...

Venus and Saturn will align with a crescent moon to create the illusion of a smiley face in the sky on the morning of April ...

Earth Day—which is on April 22, 2025—has come a long way since its beginnings in 1970! The celebration has spread globally, ...