Earth Day is about celebrating our own "pale blue dot," but sometimes stargazing can help us appreciate what is right in front of us even more. Plus, looking up at the night sky is the perfect ...

The Andromeda Galaxy's family of dwarfs are an enigma. First it was the unusual flat plane around which more than half of them orbit, and now this lopsidedness. It just goes to show that sometimes it ...

An astonishing discovery from the James Webb Space Telescope may rewrite our understanding of the Universe’s early years. A ...

The P/B ratio shows how a stock's market price compares to its book value. It helps gauge whether a stock is undervalued or overvalued relative to its net assets.