Cosmologists are increasingly entertaining a radical possibility: that the cosmos might fold back on itself so that, on the ...

Standard fantasy categories include goals, assists, power-play points, shots on goal, hits and blocked shots for skaters. Value has been quantified based on factors including but not limited to past ...

National security, unlocked. Each Thursday, host Mary Louise Kelly and a team of NPR correspondents discuss the biggest national security news of the week. With decades of reporting from battlefields ...