Sky This Week is brought to you in part by Celestron. Friday, March 7Look north after dark tonight to find the curved form of ...

Alpha or Jensen Index (invented by Michael Jensen in the 1970s) is an index used in some financial models such as the capital asset pricing model (CAPM) to determine the highest possible return on an ...

Scientists focused on Rho Cassiopeiae (Rho Cas), HR 8752, and HR 5171A, revealing that Rho Cas exhibits cyclical outbursts every 10 to 40 years, with large fluctuations of its surface temperature.