Today is Earth Day, and NASA is honoring our planet in a way that only NASA can. The agency took to social media to share a simple (yet mind-blowing) clip of our big blue marble, shot aboard the ...

Napans volunteered their time to to collect trash from various spots around Napa before enjoying food, music and entertainment at the Earth Day festival in Oxbow Commons on Saturday.

Millions of people around the world will pause on Tuesday, at least for a moment, to mark Earth Day. It's an annual event founded by people who hoped to stir activism to clean up and preserve a planet ...