The halo, known as an Einstein ring, encircles a galaxy 590 million light-years away, considered close by cosmic standards. A light-year is 5.8 trillion miles.

If your car came from the factory with halogen or HID bulbs, you’re going to need to replace them or upgrade them down the line. Both of these bulb types lose light output over time; thus, ...

We invited teenagers to write miniature memoirs about meaningful moments in their lives. Read the 20 winning stories. By The Learning Network This year’s Super Bowl was likely the biggest ...