Astronomers have discovered a strange new kind of planet beyond our solar system—one that may be covered by a vast, long-lasting ocean of molten rock and filled with sulfur deep inside. The planet, ...

Award Honors Outstanding Achievements in Aviation, Aerospace & Defense From ghost spacecraft to paving the way for ...

Health officials with the Trump administration have backed away from an effort to more heavily regulate indoor tanning — despite protests from medical groups that warn of the dangers of skin cancer.