The aurora borealis has become more visible to more states in recent months, after activity on the sun’s surface peaked.

Modern Technology Concept 4k Ultra HD 3840x2160. Realistic Earth rotating. Day to night transition as seen from space. Glowing bright cities lights shine at North America.united states of america ...

Find Digital Earth Day stock video, 4K footage, and other HD footage from iStock. Get higher quality Digital Earth Day content, for less—All of our 4K video clips are the same price as HD. Video Back ...

Thousands of events are scheduled across the globe to celebrate Earth Day on Tuesday, April 22. Here's a handful happening in ...

detailed view of our home that we especially celebrate each Earth Day." Join our Space Forums to keep talking space on the latest missions, night sky and more! And if you have a news tip ...

Happy Earth Day! For the 55th year, the world is using the day to celebrate Mother Nature and the wonderful planet we live on. "Earth Day really is a symbol of the environmental movement," Sarah ...

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 ...

The Piedmont Earth Day Fair is coming up this weekend. It's happening all day Saturday, April 26th at the Winston Salem Fairgrounds, and here with us is Jamie Meyer, who is the executive director ...