A fireball soared over Mexico City in the early hours of April 16. It wasn't a meteorite, though — it was a bolide, a much brighter object that explodes when it penetrates the atmosphere but doesn't ...

It's bright largely because of its global clouds of sulphuric acid, which reflect light very well if you can ... midnight hours since Monday. Why not circle some dates in next month's calendar ...

However, for a subgroup of people, exposure to bright light can launch an onslaught of ... are always independent and objective. A white circle with a black border surrounding a chevron pointing ...

But his deeply satisfying “Bright Circle: Five Remarkable Women in the ... “she saw splashes of color, shadows and light.” Social opprobrium didn’t faze these women. Mary Moody Emerson ...