If you looked up a the night sky last night, you might have seen a group of bright lights streaking across the sky. Social media immediately blew up. What were the lights? Turns it, they weren't a ...

Some of the northernmost states may be able to catch a glimpse of the aurora borealis Monday night, days after a geomagnetic ...

When you buy through our links, Business Insider may earn an affiliate commission. Learn more As a sleep researcher who knows the importance of good quality sleep, I always look into the science ...