Cosmic “touchdown airbursts” — explosions of comets or asteroids above Earth’s surface — may be far more common and destructive than previously thought, according to new research. Unlike ...

Peter Arnett, the Pulitzer Prize-winning reporter who spent decades dodging bullets and bombs to bring the world eyewitness ...

Oscars announce shortlists in 12 categories including casting, cinematography, score, song, international feature, ...