Are we alone? It's one of the most basic questions of human existence. People have been trying to answer it for millennia in ...

The science is unsettled, but researchers say there is cause for concern. Tiny plastic particles like these—called microplastics—are added to some exfoliating skincare gels and can get into the ...

Google's latest animated Doodle celebrates the quadratic equation, transforming its homepage into an interactive classroom.