More than 250 music insiders and six New York Times critics weighed in on who defines the new American songbook. Here are the artists they chose.

Another birthday bash has been added to the slate of America 250 Celebrations - and this party promises to be out of this ...

A newly discovered prehistoric mammal may hold clues to how life survived the dinosaur-killing extinction. The tiny species, ...

This video reveals how Earth’s continents will slowly collide over 250 million years, forming a massive supercontinent. As ...