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 ...

The French-German Mobile Asteroid Surface Scout, or MASCOT, launched from the Hayabusa2 probe, landed safely on Ryugu and was in contact with its team, the lander's official Twitter account said. A ...

55 veterans, their guardians and the Honor Flight crew, all sporting orange shirts, were taken on a mission to Washington, D.C. to see the memorials, at no expense to them, and were greeted with ...