The Northern Lights, also known as the Aurora Borealis, lit up the sky over parts of the U.S. They are a phenomenon caused by plasma ejected from the sun during a solar storm, which interacts with Earth’s geomagnetic field. | NBC News

Aurora brought by moderate geomagnetic activity lit up a starry night sky over northern China on Wednesday and is forecasted to be visible again on Thursday night. So, find a dark, clear spot and get ready for a magical moment! | CGTN