More than 3 billion years ago, when the Moon’s volcanic mare (the dark lunar “seas”) were formed, the Moon was rife with ...

Some 50,000 people visit St. Peter’s Basilica in Vatican City daily. The 500-year-old structure, with its 448-foot-high dome, ...

Trump's order stops hundreds of millions of dollars a year the U.S. gives South Africa, most of it to help its HIV/AIDS response. The U.S. gave South Africa around $440 million last year and funds 17% ...