“What is a sacrament? A sacrament is an outward sign instituted by Christ to give grace.” Does this question and answer sound familiar? It should ring a bell for at least some. It is a ...

Remarkable views of Venus are available this month. The first two weeks of March provide a great opportunity to sight four bright naked-eye planets in the early evening sky. Low toward the west ...

26. Aboard the lander, named Athena, are 10 NASA science instruments, many of which will hunt for signs of water ice on the lunar surface. NASA's lunar trailblazer spacecraft also rode along on ...