Here's everything you need to know for Pokemon Go's Spotlight Hour, including when it is, how long it lasts, what Pokemon is ...

But how can one element – chromium – create the red color of a ruby and green color of an emerald? Rubies and emeralds have the colors they do because, like many substances, they absorb some ...

The colors of rubies and emeralds are so striking that they define shades of red and green—ruby red and emerald green. But have you ever wondered how they get those colors? One feature of ...

Forest Green extended their unbeaten National League run to 18 matches with a win over Dagenham which took them up to second in the table. Rovers bounced back from their fifth-round FA Trophy exit ...

Key numbers to know for a healthy heart ABC News' Dr. Tara Narula shares why knowing your numbers is key to preventing heart disease, the leading cause of death in the U.S. Up Next in wellness ...