The Ryder Cup captaincy has become a time-consuming job, and Woods sounds as though he is busier than ever. His most ...
From the outside, it looks almost too unassuming: a perfect concrete disk, 377 feet (115) meters) wide, rising from the white ...
Active small bodies—including comets, active asteroids, icy minor planets, and transitional objects—occupy a unique position in planetary science. As ...