However, some of the ancient stars in the study were metal-rich, with twice the amount of metals compared to our younger, 4.6-billion-year-old sun. These results indicate there was a rapid metal ...

Six planets are parading across the sky, appearing as some of the night's brightest stars. A few easy tips can help you ...

Stargazers will be treated to a dazzling six-planet "alignment" this January.

Emma, how far away do you think the stars are? EMMA: A billion miles. Infinity of miles. NARRATOR: Not quite infinity. After the Sun, our closest ... paper and fabric to compare the shades of ...