KENNEDY SPACE CENTER — More than 50 years have passed since humans visited the moon, and history was made on Wednesday as NASA launched its crewed Artemis II for a flyby of Earth’s lunar sister.

BOCA CHICA BEACH, Texas — SpaceX was able to launch its 12th Starship flight test on Friday night; however, the Super Heavy booster was lost and did not have the water landing in the Gulf as planned.

Semiconductor detectors that directly measure the electrical signals produced by X-rays have hugely improved the resolution and contrast of computed tomography scanners. In the 1970s computed ...