According to one legend, Pope Gelasius wanted to put an end to the debauchery in the late fifth century. He declared Feb. 14 ...

Some whittled down to just 30 percent of their original size, an adaptation to increasing temperatures known as the ...

Lovers have always batted their eyes on Valentine’s Day as cherubs circled overhead. Or have they? Historians aren’t sure ...

Archaeopteryx, long considered the earliest fossil bird, could be knocked off its perch by Baminornis zhenghensis, which ...